Home / 115,502.10-173,123.55-65,606.10

Finding the Fourth Proportional to 115,502.10, 173,123.55 and 65,606.10

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Solution

The fourth proportional to 115,502.10, 173,123.55 and 65,606.10 is: 98,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,502.10 : 173,123.55 = 65,606.10 : x
  2. Step 2: Convert to fraction form
    115,502.10/173,123.55 = 65,606.10/x
  3. Step 3: Cross multiply
    115,502.10x = 173,123.55 × 65,606.10
  4. Step 4: Simplify right side
    115,502.10x = 11,357,960,933.66
  5. Step 5: Solve for x
    x = 11,357,960,933.66/115,502.10
  6. Step 6: Final answer
    x = 98,335.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.