Home / 161,648.31-223,074.91-93,678.32

Finding the Fourth Proportional to 161,648.31, 223,074.91 and 93,678.32

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Solution

The fourth proportional to 161,648.31, 223,074.91 and 93,678.32 is: 129,276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,648.31 : 223,074.91 = 93,678.32 : x
  2. Step 2: Convert to fraction form
    161,648.31/223,074.91 = 93,678.32/x
  3. Step 3: Cross multiply
    161,648.31x = 223,074.91 × 93,678.32
  4. Step 4: Simplify right side
    161,648.31x = 20,897,283,477.74
  5. Step 5: Solve for x
    x = 20,897,283,477.74/161,648.31
  6. Step 6: Final answer
    x = 129,276.23

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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.