Home / 124,108.34-171,270.25-67,520.12

Finding the Fourth Proportional to 124,108.34, 171,270.25 and 67,520.12

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Solution

The fourth proportional to 124,108.34, 171,270.25 and 67,520.12 is: 93,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,108.34 : 171,270.25 = 67,520.12 : x
  2. Step 2: Convert to fraction form
    124,108.34/171,270.25 = 67,520.12/x
  3. Step 3: Cross multiply
    124,108.34x = 171,270.25 × 67,520.12
  4. Step 4: Simplify right side
    124,108.34x = 11,564,186,807.28
  5. Step 5: Solve for x
    x = 11,564,186,807.28/124,108.34
  6. Step 6: Final answer
    x = 93,178.16

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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.