Home / 118,437.90-163,367.92-70,654.38

Finding the Fourth Proportional to 118,437.90, 163,367.92 and 70,654.38

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Solution

The fourth proportional to 118,437.90, 163,367.92 and 70,654.38 is: 97,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,437.90 : 163,367.92 = 70,654.38 : x
  2. Step 2: Convert to fraction form
    118,437.90/163,367.92 = 70,654.38/x
  3. Step 3: Cross multiply
    118,437.90x = 163,367.92 × 70,654.38
  4. Step 4: Simplify right side
    118,437.90x = 11,542,659,099.49
  5. Step 5: Solve for x
    x = 11,542,659,099.49/118,437.90
  6. Step 6: Final answer
    x = 97,457.48

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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.