Home / 103,626.36-143,001.18-58,306.88

Finding the Fourth Proportional to 103,626.36, 143,001.18 and 58,306.88

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Solution

The fourth proportional to 103,626.36, 143,001.18 and 58,306.88 is: 80,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,626.36 : 143,001.18 = 58,306.88 : x
  2. Step 2: Convert to fraction form
    103,626.36/143,001.18 = 58,306.88/x
  3. Step 3: Cross multiply
    103,626.36x = 143,001.18 × 58,306.88
  4. Step 4: Simplify right side
    103,626.36x = 8,337,952,642.12
  5. Step 5: Solve for x
    x = 8,337,952,642.12/103,626.36
  6. Step 6: Final answer
    x = 80,461.70

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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.