Home / 102,329.52-141,160.68-70,443.24

Finding the Fourth Proportional to 102,329.52, 141,160.68 and 70,443.24

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Solution

The fourth proportional to 102,329.52, 141,160.68 and 70,443.24 is: 97,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,329.52 : 141,160.68 = 70,443.24 : x
  2. Step 2: Convert to fraction form
    102,329.52/141,160.68 = 70,443.24/x
  3. Step 3: Cross multiply
    102,329.52x = 141,160.68 × 70,443.24
  4. Step 4: Simplify right side
    102,329.52x = 9,943,815,659.80
  5. Step 5: Solve for x
    x = 9,943,815,659.80/102,329.52
  6. Step 6: Final answer
    x = 97,174.46

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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.