Home / 157,092.08-216,792.96-90,037.04

Finding the Fourth Proportional to 157,092.08, 216,792.96 and 90,037.04

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Solution

The fourth proportional to 157,092.08, 216,792.96 and 90,037.04 is: 124,254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,092.08 : 216,792.96 = 90,037.04 : x
  2. Step 2: Convert to fraction form
    157,092.08/216,792.96 = 90,037.04/x
  3. Step 3: Cross multiply
    157,092.08x = 216,792.96 × 90,037.04
  4. Step 4: Simplify right side
    157,092.08x = 19,519,396,411.24
  5. Step 5: Solve for x
    x = 19,519,396,411.24/157,092.08
  6. Step 6: Final answer
    x = 124,254.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.