Home / 118,431.30-163,444.51-67,446.19

Finding the Fourth Proportional to 118,431.30, 163,444.51 and 67,446.19

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Solution

The fourth proportional to 118,431.30, 163,444.51 and 67,446.19 is: 93,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,431.30 : 163,444.51 = 67,446.19 : x
  2. Step 2: Convert to fraction form
    118,431.30/163,444.51 = 67,446.19/x
  3. Step 3: Cross multiply
    118,431.30x = 163,444.51 × 67,446.19
  4. Step 4: Simplify right side
    118,431.30x = 11,023,708,658.69
  5. Step 5: Solve for x
    x = 11,023,708,658.69/118,431.30
  6. Step 6: Final answer
    x = 93,081.04

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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.