Home / 118,888.23-164,070.86-71,132.39

Finding the Fourth Proportional to 118,888.23, 164,070.86 and 71,132.39

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Solution

The fourth proportional to 118,888.23, 164,070.86 and 71,132.39 is: 98,165.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,888.23 : 164,070.86 = 71,132.39 : x
  2. Step 2: Convert to fraction form
    118,888.23/164,070.86 = 71,132.39/x
  3. Step 3: Cross multiply
    118,888.23x = 164,070.86 × 71,132.39
  4. Step 4: Simplify right side
    118,888.23x = 11,670,752,401.16
  5. Step 5: Solve for x
    x = 11,670,752,401.16/118,888.23
  6. Step 6: Final answer
    x = 98,165.75

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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.