Home / 229,339.34-316,498.80-127,365.25

Finding the Fourth Proportional to 229,339.34, 316,498.80 and 127,365.25

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Solution

The fourth proportional to 229,339.34, 316,498.80 and 127,365.25 is: 175,769.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,339.34 : 316,498.80 = 127,365.25 : x
  2. Step 2: Convert to fraction form
    229,339.34/316,498.80 = 127,365.25/x
  3. Step 3: Cross multiply
    229,339.34x = 316,498.80 × 127,365.25
  4. Step 4: Simplify right side
    229,339.34x = 40,310,948,149.87
  5. Step 5: Solve for x
    x = 40,310,948,149.87/229,339.34
  6. Step 6: Final answer
    x = 175,769.88

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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.