Home / 124,157.40-171,340.80-67,572.36

Finding the Fourth Proportional to 124,157.40, 171,340.80 and 67,572.36

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Solution

The fourth proportional to 124,157.40, 171,340.80 and 67,572.36 is: 93,251.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,157.40 : 171,340.80 = 67,572.36 : x
  2. Step 2: Convert to fraction form
    124,157.40/171,340.80 = 67,572.36/x
  3. Step 3: Cross multiply
    124,157.40x = 171,340.80 × 67,572.36
  4. Step 4: Simplify right side
    124,157.40x = 11,577,902,220.29
  5. Step 5: Solve for x
    x = 11,577,902,220.29/124,157.40
  6. Step 6: Final answer
    x = 93,251.81

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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.