Home / 268,502.74-402,732.93-156,111.25

Finding the Fourth Proportional to 268,502.74, 402,732.93 and 156,111.25

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Solution

The fourth proportional to 268,502.74, 402,732.93 and 156,111.25 is: 234,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,502.74 : 402,732.93 = 156,111.25 : x
  2. Step 2: Convert to fraction form
    268,502.74/402,732.93 = 156,111.25/x
  3. Step 3: Cross multiply
    268,502.74x = 402,732.93 × 156,111.25
  4. Step 4: Simplify right side
    268,502.74x = 62,871,141,118.46
  5. Step 5: Solve for x
    x = 62,871,141,118.46/268,502.74
  6. Step 6: Final answer
    x = 234,154.56

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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.