Home / 103,733.10-155,599.65-102,005.10

Finding the Fourth Proportional to 103,733.10, 155,599.65 and 102,005.10

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Solution

The fourth proportional to 103,733.10, 155,599.65 and 102,005.10 is: 153,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,733.10 : 155,599.65 = 102,005.10 : x
  2. Step 2: Convert to fraction form
    103,733.10/155,599.65 = 102,005.10/x
  3. Step 3: Cross multiply
    103,733.10x = 155,599.65 × 102,005.10
  4. Step 4: Simplify right side
    103,733.10x = 15,871,957,858.22
  5. Step 5: Solve for x
    x = 15,871,957,858.22/103,733.10
  6. Step 6: Final answer
    x = 153,007.65

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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.