Home / 513,157.18-769,844.42-153,356.04

Finding the Fourth Proportional to 513,157.18, 769,844.42 and 153,356.04

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Solution

The fourth proportional to 513,157.18, 769,844.42 and 153,356.04 is: 230,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,157.18 : 769,844.42 = 153,356.04 : x
  2. Step 2: Convert to fraction form
    513,157.18/769,844.42 = 153,356.04/x
  3. Step 3: Cross multiply
    513,157.18x = 769,844.42 × 153,356.04
  4. Step 4: Simplify right side
    513,157.18x = 118,060,291,667.30
  5. Step 5: Solve for x
    x = 118,060,291,667.30/513,157.18
  6. Step 6: Final answer
    x = 230,066.53

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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.