Home / 252,498.13-348,454.64-139,328.17

Finding the Fourth Proportional to 252,498.13, 348,454.64 and 139,328.17

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Solution

The fourth proportional to 252,498.13, 348,454.64 and 139,328.17 is: 192,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,498.13 : 348,454.64 = 139,328.17 : x
  2. Step 2: Convert to fraction form
    252,498.13/348,454.64 = 139,328.17/x
  3. Step 3: Cross multiply
    252,498.13x = 348,454.64 × 139,328.17
  4. Step 4: Simplify right side
    252,498.13x = 48,549,546,796.39
  5. Step 5: Solve for x
    x = 48,549,546,796.39/252,498.13
  6. Step 6: Final answer
    x = 192,276.86

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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.