Home / 325,297.10-487,945.65-103,681.10

Finding the Fourth Proportional to 325,297.10, 487,945.65 and 103,681.10

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Solution

The fourth proportional to 325,297.10, 487,945.65 and 103,681.10 is: 155,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,297.10 : 487,945.65 = 103,681.10 : x
  2. Step 2: Convert to fraction form
    325,297.10/487,945.65 = 103,681.10/x
  3. Step 3: Cross multiply
    325,297.10x = 487,945.65 × 103,681.10
  4. Step 4: Simplify right side
    325,297.10x = 50,590,741,732.22
  5. Step 5: Solve for x
    x = 50,590,741,732.22/325,297.10
  6. Step 6: Final answer
    x = 155,521.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.