Home / 124,126.62-171,265.59-70,399.26

Finding the Fourth Proportional to 124,126.62, 171,265.59 and 70,399.26

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Solution

The fourth proportional to 124,126.62, 171,265.59 and 70,399.26 is: 97,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,126.62 : 171,265.59 = 70,399.26 : x
  2. Step 2: Convert to fraction form
    124,126.62/171,265.59 = 70,399.26/x
  3. Step 3: Cross multiply
    124,126.62x = 171,265.59 × 70,399.26
  4. Step 4: Simplify right side
    124,126.62x = 12,056,970,799.46
  5. Step 5: Solve for x
    x = 12,056,970,799.46/124,126.62
  6. Step 6: Final answer
    x = 97,134.45

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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.