Home / 325,299.16-487,574.28-125,531.20

Finding the Fourth Proportional to 325,299.16, 487,574.28 and 125,531.20

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Solution

The fourth proportional to 325,299.16, 487,574.28 and 125,531.20 is: 188,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,299.16 : 487,574.28 = 125,531.20 : x
  2. Step 2: Convert to fraction form
    325,299.16/487,574.28 = 125,531.20/x
  3. Step 3: Cross multiply
    325,299.16x = 487,574.28 × 125,531.20
  4. Step 4: Simplify right side
    325,299.16x = 61,205,784,457.54
  5. Step 5: Solve for x
    x = 61,205,784,457.54/325,299.16
  6. Step 6: Final answer
    x = 188,152.30

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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.