Home / 118,293.90-163,242.99-64,576.86

Finding the Fourth Proportional to 118,293.90, 163,242.99 and 64,576.86

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Solution

The fourth proportional to 118,293.90, 163,242.99 and 64,576.86 is: 89,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,293.90 : 163,242.99 = 64,576.86 : x
  2. Step 2: Convert to fraction form
    118,293.90/163,242.99 = 64,576.86/x
  3. Step 3: Cross multiply
    118,293.90x = 163,242.99 × 64,576.86
  4. Step 4: Simplify right side
    118,293.90x = 10,541,719,711.21
  5. Step 5: Solve for x
    x = 10,541,719,711.21/118,293.90
  6. Step 6: Final answer
    x = 89,114.65

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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.