Home / 118,924.16-164,117.12-71,179.52

Finding the Fourth Proportional to 118,924.16, 164,117.12 and 71,179.52

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Solution

The fourth proportional to 118,924.16, 164,117.12 and 71,179.52 is: 98,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,924.16 : 164,117.12 = 71,179.52 : x
  2. Step 2: Convert to fraction form
    118,924.16/164,117.12 = 71,179.52/x
  3. Step 3: Cross multiply
    118,924.16x = 164,117.12 × 71,179.52
  4. Step 4: Simplify right side
    118,924.16x = 11,681,777,825.38
  5. Step 5: Solve for x
    x = 11,681,777,825.38/118,924.16
  6. Step 6: Final answer
    x = 98,228.80

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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.