Home / 177,311.20-265,966.80-157,266.40

Finding the Fourth Proportional to 177,311.20, 265,966.80 and 157,266.40

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Solution

The fourth proportional to 177,311.20, 265,966.80 and 157,266.40 is: 235,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,311.20 : 265,966.80 = 157,266.40 : x
  2. Step 2: Convert to fraction form
    177,311.20/265,966.80 = 157,266.40/x
  3. Step 3: Cross multiply
    177,311.20x = 265,966.80 × 157,266.40
  4. Step 4: Simplify right side
    177,311.20x = 41,827,641,155.52
  5. Step 5: Solve for x
    x = 41,827,641,155.52/177,311.20
  6. Step 6: Final answer
    x = 235,899.60

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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.