Home / 170,927.14-255,892.56-99,631.76

Finding the Fourth Proportional to 170,927.14, 255,892.56 and 99,631.76

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Solution

The fourth proportional to 170,927.14, 255,892.56 and 99,631.76 is: 149,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,927.14 : 255,892.56 = 99,631.76 : x
  2. Step 2: Convert to fraction form
    170,927.14/255,892.56 = 99,631.76/x
  3. Step 3: Cross multiply
    170,927.14x = 255,892.56 × 99,631.76
  4. Step 4: Simplify right side
    170,927.14x = 25,495,026,123.71
  5. Step 5: Solve for x
    x = 25,495,026,123.71/170,927.14
  6. Step 6: Final answer
    x = 149,157.27

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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.