Home / 252,139.60-348,011.94-156,718.36

Finding the Fourth Proportional to 252,139.60, 348,011.94 and 156,718.36

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Solution

The fourth proportional to 252,139.60, 348,011.94 and 156,718.36 is: 216,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,139.60 : 348,011.94 = 156,718.36 : x
  2. Step 2: Convert to fraction form
    252,139.60/348,011.94 = 156,718.36/x
  3. Step 3: Cross multiply
    252,139.60x = 348,011.94 × 156,718.36
  4. Step 4: Simplify right side
    252,139.60x = 54,539,860,497.22
  5. Step 5: Solve for x
    x = 54,539,860,497.22/252,139.60
  6. Step 6: Final answer
    x = 216,308.19

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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.