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Finding the Fourth Proportional to 229,164.90, 316,246.46 and 127,191.58

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Solution

The fourth proportional to 229,164.90, 316,246.46 and 127,191.58 is: 175,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,164.90 : 316,246.46 = 127,191.58 : x
  2. Step 2: Convert to fraction form
    229,164.90/316,246.46 = 127,191.58/x
  3. Step 3: Cross multiply
    229,164.90x = 316,246.46 × 127,191.58
  4. Step 4: Simplify right side
    229,164.90x = 40,223,886,916.81
  5. Step 5: Solve for x
    x = 40,223,886,916.81/229,164.90
  6. Step 6: Final answer
    x = 175,523.77

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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.