Home / 357,739.20-536,470.70-152,443.49

Finding the Fourth Proportional to 357,739.20, 536,470.70 and 152,443.49

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Solution

The fourth proportional to 357,739.20, 536,470.70 and 152,443.49 is: 228,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,739.20 : 536,470.70 = 152,443.49 : x
  2. Step 2: Convert to fraction form
    357,739.20/536,470.70 = 152,443.49/x
  3. Step 3: Cross multiply
    357,739.20x = 536,470.70 × 152,443.49
  4. Step 4: Simplify right side
    357,739.20x = 81,781,462,346.17
  5. Step 5: Solve for x
    x = 81,781,462,346.17/357,739.20
  6. Step 6: Final answer
    x = 228,606.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.