Home / 107,253.18-148,016.34-59,511.78

Finding the Fourth Proportional to 107,253.18, 148,016.34 and 59,511.78

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Solution

The fourth proportional to 107,253.18, 148,016.34 and 59,511.78 is: 82,130.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,253.18 : 148,016.34 = 59,511.78 : x
  2. Step 2: Convert to fraction form
    107,253.18/148,016.34 = 59,511.78/x
  3. Step 3: Cross multiply
    107,253.18x = 148,016.34 × 59,511.78
  4. Step 4: Simplify right side
    107,253.18x = 8,808,715,862.49
  5. Step 5: Solve for x
    x = 8,808,715,862.49/107,253.18
  6. Step 6: Final answer
    x = 82,130.11

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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.