Home / 320,352.14-442,068.27-177,103.64

Finding the Fourth Proportional to 320,352.14, 442,068.27 and 177,103.64

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Solution

The fourth proportional to 320,352.14, 442,068.27 and 177,103.64 is: 244,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,352.14 : 442,068.27 = 177,103.64 : x
  2. Step 2: Convert to fraction form
    320,352.14/442,068.27 = 177,103.64/x
  3. Step 3: Cross multiply
    320,352.14x = 442,068.27 × 177,103.64
  4. Step 4: Simplify right side
    320,352.14x = 78,291,897,535.16
  5. Step 5: Solve for x
    x = 78,291,897,535.16/320,352.14
  6. Step 6: Final answer
    x = 244,393.24

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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.