Home / 516,740.10-775,060.04-156,914.07

Finding the Fourth Proportional to 516,740.10, 775,060.04 and 156,914.07

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Solution

The fourth proportional to 516,740.10, 775,060.04 and 156,914.07 is: 235,355.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,740.10 : 775,060.04 = 156,914.07 : x
  2. Step 2: Convert to fraction form
    516,740.10/775,060.04 = 156,914.07/x
  3. Step 3: Cross multiply
    516,740.10x = 775,060.04 × 156,914.07
  4. Step 4: Simplify right side
    516,740.10x = 121,617,824,586.19
  5. Step 5: Solve for x
    x = 121,617,824,586.19/516,740.10
  6. Step 6: Final answer
    x = 235,355.89

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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.