Home / 124,270.24-171,490.08-67,680.40

Finding the Fourth Proportional to 124,270.24, 171,490.08 and 67,680.40

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Solution

The fourth proportional to 124,270.24, 171,490.08 and 67,680.40 is: 93,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,270.24 : 171,490.08 = 67,680.40 : x
  2. Step 2: Convert to fraction form
    124,270.24/171,490.08 = 67,680.40/x
  3. Step 3: Cross multiply
    124,270.24x = 171,490.08 × 67,680.40
  4. Step 4: Simplify right side
    124,270.24x = 11,606,517,210.43
  5. Step 5: Solve for x
    x = 11,606,517,210.43/124,270.24
  6. Step 6: Final answer
    x = 93,397.40

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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.