Home / 118,446.74-163,451.84-64,732.40

Finding the Fourth Proportional to 118,446.74, 163,451.84 and 64,732.40

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Solution

The fourth proportional to 118,446.74, 163,451.84 and 64,732.40 is: 89,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,446.74 : 163,451.84 = 64,732.40 : x
  2. Step 2: Convert to fraction form
    118,446.74/163,451.84 = 64,732.40/x
  3. Step 3: Cross multiply
    118,446.74x = 163,451.84 × 64,732.40
  4. Step 4: Simplify right side
    118,446.74x = 10,580,629,887.62
  5. Step 5: Solve for x
    x = 10,580,629,887.62/118,446.74
  6. Step 6: Final answer
    x = 89,328.16

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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.