Home / 161,645.31-223,070.47-93,701.71

Finding the Fourth Proportional to 161,645.31, 223,070.47 and 93,701.71

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Solution

The fourth proportional to 161,645.31, 223,070.47 and 93,701.71 is: 129,308.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,645.31 : 223,070.47 = 93,701.71 : x
  2. Step 2: Convert to fraction form
    161,645.31/223,070.47 = 93,701.71/x
  3. Step 3: Cross multiply
    161,645.31x = 223,070.47 × 93,701.71
  4. Step 4: Simplify right side
    161,645.31x = 20,902,084,665.85
  5. Step 5: Solve for x
    x = 20,902,084,665.85/161,645.31
  6. Step 6: Final answer
    x = 129,308.33

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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.