Home / 107,905.52-148,899-60,154.40

Finding the Fourth Proportional to 107,905.52, 148,899 and 60,154.40

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Solution

The fourth proportional to 107,905.52, 148,899 and 60,154.40 is: 83,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,905.52 : 148,899 = 60,154.40 : x
  2. Step 2: Convert to fraction form
    107,905.52/148,899 = 60,154.40/x
  3. Step 3: Cross multiply
    107,905.52x = 148,899 × 60,154.40
  4. Step 4: Simplify right side
    107,905.52x = 8,956,930,005.60
  5. Step 5: Solve for x
    x = 8,956,930,005.60/107,905.52
  6. Step 6: Final answer
    x = 83,007.15

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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.