Home / 177,574.64-245,060.28-102,123.20

Finding the Fourth Proportional to 177,574.64, 245,060.28 and 102,123.20

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Solution

The fourth proportional to 177,574.64, 245,060.28 and 102,123.20 is: 140,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,574.64 : 245,060.28 = 102,123.20 : x
  2. Step 2: Convert to fraction form
    177,574.64/245,060.28 = 102,123.20/x
  3. Step 3: Cross multiply
    177,574.64x = 245,060.28 × 102,123.20
  4. Step 4: Simplify right side
    177,574.64x = 25,026,339,986.50
  5. Step 5: Solve for x
    x = 25,026,339,986.50/177,574.64
  6. Step 6: Final answer
    x = 140,934.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.