Home / 470,723.10-706,084.65-155,103.90

Finding the Fourth Proportional to 470,723.10, 706,084.65 and 155,103.90

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Solution

The fourth proportional to 470,723.10, 706,084.65 and 155,103.90 is: 232,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,723.10 : 706,084.65 = 155,103.90 : x
  2. Step 2: Convert to fraction form
    470,723.10/706,084.65 = 155,103.90/x
  3. Step 3: Cross multiply
    470,723.10x = 706,084.65 × 155,103.90
  4. Step 4: Simplify right side
    470,723.10x = 109,516,482,945.14
  5. Step 5: Solve for x
    x = 109,516,482,945.14/470,723.10
  6. Step 6: Final answer
    x = 232,655.85

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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.