Home / 229,260.36-316,399.30-127,305.66

Finding the Fourth Proportional to 229,260.36, 316,399.30 and 127,305.66

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Solution

The fourth proportional to 229,260.36, 316,399.30 and 127,305.66 is: 175,692.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,260.36 : 316,399.30 = 127,305.66 : x
  2. Step 2: Convert to fraction form
    229,260.36/316,399.30 = 127,305.66/x
  3. Step 3: Cross multiply
    229,260.36x = 316,399.30 × 127,305.66
  4. Step 4: Simplify right side
    229,260.36x = 40,279,421,710.04
  5. Step 5: Solve for x
    x = 40,279,421,710.04/229,260.36
  6. Step 6: Final answer
    x = 175,692.92

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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.