Home / 229,360.26-316,512.14-127,380.04

Finding the Fourth Proportional to 229,360.26, 316,512.14 and 127,380.04

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Solution

The fourth proportional to 229,360.26, 316,512.14 and 127,380.04 is: 175,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,360.26 : 316,512.14 = 127,380.04 : x
  2. Step 2: Convert to fraction form
    229,360.26/316,512.14 = 127,380.04/x
  3. Step 3: Cross multiply
    229,360.26x = 316,512.14 × 127,380.04
  4. Step 4: Simplify right side
    229,360.26x = 40,317,329,053.69
  5. Step 5: Solve for x
    x = 40,317,329,053.69/229,360.26
  6. Step 6: Final answer
    x = 175,781.67

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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.