Home / 229,320.13-316,451.19-127,352.07

Finding the Fourth Proportional to 229,320.13, 316,451.19 and 127,352.07

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Solution

The fourth proportional to 229,320.13, 316,451.19 and 127,352.07 is: 175,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,320.13 : 316,451.19 = 127,352.07 : x
  2. Step 2: Convert to fraction form
    229,320.13/316,451.19 = 127,352.07/x
  3. Step 3: Cross multiply
    229,320.13x = 316,451.19 × 127,352.07
  4. Step 4: Simplify right side
    229,320.13x = 40,300,714,100.46
  5. Step 5: Solve for x
    x = 40,300,714,100.46/229,320.13
  6. Step 6: Final answer
    x = 175,739.98

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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.