Home / 470,724.10-706,086.15-155,104.90

Finding the Fourth Proportional to 470,724.10, 706,086.15 and 155,104.90

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Solution

The fourth proportional to 470,724.10, 706,086.15 and 155,104.90 is: 232,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,724.10 : 706,086.15 = 155,104.90 : x
  2. Step 2: Convert to fraction form
    470,724.10/706,086.15 = 155,104.90/x
  3. Step 3: Cross multiply
    470,724.10x = 706,086.15 × 155,104.90
  4. Step 4: Simplify right side
    470,724.10x = 109,517,421,687.14
  5. Step 5: Solve for x
    x = 109,517,421,687.14/470,724.10
  6. Step 6: Final answer
    x = 232,657.35

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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.