Home / 181,258.29-249,249.15-157,343.04

Finding the Fourth Proportional to 181,258.29, 249,249.15 and 157,343.04

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Solution

The fourth proportional to 181,258.29, 249,249.15 and 157,343.04 is: 216,363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,258.29 : 249,249.15 = 157,343.04 : x
  2. Step 2: Convert to fraction form
    181,258.29/249,249.15 = 157,343.04/x
  3. Step 3: Cross multiply
    181,258.29x = 249,249.15 × 157,343.04
  4. Step 4: Simplify right side
    181,258.29x = 39,217,618,978.42
  5. Step 5: Solve for x
    x = 39,217,618,978.42/181,258.29
  6. Step 6: Final answer
    x = 216,363.17

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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.