Home / 178,440.04-246,246.96-102,988.48

Finding the Fourth Proportional to 178,440.04, 246,246.96 and 102,988.48

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Solution

The fourth proportional to 178,440.04, 246,246.96 and 102,988.48 is: 142,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,440.04 : 246,246.96 = 102,988.48 : x
  2. Step 2: Convert to fraction form
    178,440.04/246,246.96 = 102,988.48/x
  3. Step 3: Cross multiply
    178,440.04x = 246,246.96 × 102,988.48
  4. Step 4: Simplify right side
    178,440.04x = 25,360,600,115.02
  5. Step 5: Solve for x
    x = 25,360,600,115.02/178,440.04
  6. Step 6: Final answer
    x = 142,123.93

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1.5x scale

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.