Home / 107,381.28-148,172.76-59,628.14

Finding the Fourth Proportional to 107,381.28, 148,172.76 and 59,628.14

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Solution

The fourth proportional to 107,381.28, 148,172.76 and 59,628.14 is: 82,279.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,381.28 : 148,172.76 = 59,628.14 : x
  2. Step 2: Convert to fraction form
    107,381.28/148,172.76 = 59,628.14/x
  3. Step 3: Cross multiply
    107,381.28x = 148,172.76 × 59,628.14
  4. Step 4: Simplify right side
    107,381.28x = 8,835,266,077.47
  5. Step 5: Solve for x
    x = 8,835,266,077.47/107,381.28
  6. Step 6: Final answer
    x = 82,279.39

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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.