Home / 252,403.56-348,281.10-156,875.40

Finding the Fourth Proportional to 252,403.56, 348,281.10 and 156,875.40

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Solution

The fourth proportional to 252,403.56, 348,281.10 and 156,875.40 is: 216,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,403.56 : 348,281.10 = 156,875.40 : x
  2. Step 2: Convert to fraction form
    252,403.56/348,281.10 = 156,875.40/x
  3. Step 3: Cross multiply
    252,403.56x = 348,281.10 × 156,875.40
  4. Step 4: Simplify right side
    252,403.56x = 54,636,736,874.94
  5. Step 5: Solve for x
    x = 54,636,736,874.94/252,403.56
  6. Step 6: Final answer
    x = 216,465.79

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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.