Home / 157,527.40-236,229.67-68,720.35

Finding the Fourth Proportional to 157,527.40, 236,229.67 and 68,720.35

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Solution

The fourth proportional to 157,527.40, 236,229.67 and 68,720.35 is: 103,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,527.40 : 236,229.67 = 68,720.35 : x
  2. Step 2: Convert to fraction form
    157,527.40/236,229.67 = 68,720.35/x
  3. Step 3: Cross multiply
    157,527.40x = 236,229.67 × 68,720.35
  4. Step 4: Simplify right side
    157,527.40x = 16,233,785,602.78
  5. Step 5: Solve for x
    x = 16,233,785,602.78/157,527.40
  6. Step 6: Final answer
    x = 103,053.73

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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.