Home / 229,173.76-316,257.38-127,200.10

Finding the Fourth Proportional to 229,173.76, 316,257.38 and 127,200.10

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Solution

The fourth proportional to 229,173.76, 316,257.38 and 127,200.10 is: 175,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,173.76 : 316,257.38 = 127,200.10 : x
  2. Step 2: Convert to fraction form
    229,173.76/316,257.38 = 127,200.10/x
  3. Step 3: Cross multiply
    229,173.76x = 316,257.38 × 127,200.10
  4. Step 4: Simplify right side
    229,173.76x = 40,227,970,361.74
  5. Step 5: Solve for x
    x = 40,227,970,361.74/229,173.76
  6. Step 6: Final answer
    x = 175,534.80

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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.