Home / 177,038.20-265,557.30-142,046.20

Finding the Fourth Proportional to 177,038.20, 265,557.30 and 142,046.20

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Solution

The fourth proportional to 177,038.20, 265,557.30 and 142,046.20 is: 213,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,038.20 : 265,557.30 = 142,046.20 : x
  2. Step 2: Convert to fraction form
    177,038.20/265,557.30 = 142,046.20/x
  3. Step 3: Cross multiply
    177,038.20x = 265,557.30 × 142,046.20
  4. Step 4: Simplify right side
    177,038.20x = 37,721,405,347.26
  5. Step 5: Solve for x
    x = 37,721,405,347.26/177,038.20
  6. Step 6: Final answer
    x = 213,069.30

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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.