Home / 157,439.90-236,159.85-151,316.30

Finding the Fourth Proportional to 157,439.90, 236,159.85 and 151,316.30

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Solution

The fourth proportional to 157,439.90, 236,159.85 and 151,316.30 is: 226,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,439.90 : 236,159.85 = 151,316.30 : x
  2. Step 2: Convert to fraction form
    157,439.90/236,159.85 = 151,316.30/x
  3. Step 3: Cross multiply
    157,439.90x = 236,159.85 × 151,316.30
  4. Step 4: Simplify right side
    157,439.90x = 35,734,834,710.56
  5. Step 5: Solve for x
    x = 35,734,834,710.56/157,439.90
  6. Step 6: Final answer
    x = 226,974.45

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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.