Home / 118,301.18-163,248.03-64,586.08

Finding the Fourth Proportional to 118,301.18, 163,248.03 and 64,586.08

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Solution

The fourth proportional to 118,301.18, 163,248.03 and 64,586.08 is: 89,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,301.18 : 163,248.03 = 64,586.08 : x
  2. Step 2: Convert to fraction form
    118,301.18/163,248.03 = 64,586.08/x
  3. Step 3: Cross multiply
    118,301.18x = 163,248.03 × 64,586.08
  4. Step 4: Simplify right side
    118,301.18x = 10,543,551,170.27
  5. Step 5: Solve for x
    x = 10,543,551,170.27/118,301.18
  6. Step 6: Final answer
    x = 89,124.65

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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.