Home / 229,187.01-316,272-127,212.18

Finding the Fourth Proportional to 229,187.01, 316,272 and 127,212.18

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Solution

The fourth proportional to 229,187.01, 316,272 and 127,212.18 is: 175,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,187.01 : 316,272 = 127,212.18 : x
  2. Step 2: Convert to fraction form
    229,187.01/316,272 = 127,212.18/x
  3. Step 3: Cross multiply
    229,187.01x = 316,272 × 127,212.18
  4. Step 4: Simplify right side
    229,187.01x = 40,233,650,592.96
  5. Step 5: Solve for x
    x = 40,233,650,592.96/229,187.01
  6. Step 6: Final answer
    x = 175,549.44

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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.