Home / 107,266.72-148,024.56-64,817.92

Finding the Fourth Proportional to 107,266.72, 148,024.56 and 64,817.92

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Solution

The fourth proportional to 107,266.72, 148,024.56 and 64,817.92 is: 89,446.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,266.72 : 148,024.56 = 64,817.92 : x
  2. Step 2: Convert to fraction form
    107,266.72/148,024.56 = 64,817.92/x
  3. Step 3: Cross multiply
    107,266.72x = 148,024.56 × 64,817.92
  4. Step 4: Simplify right side
    107,266.72x = 9,594,644,088.12
  5. Step 5: Solve for x
    x = 9,594,644,088.12/107,266.72
  6. Step 6: Final answer
    x = 89,446.61

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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.