Home / 229,104.63-316,159.61-127,129.23

Finding the Fourth Proportional to 229,104.63, 316,159.61 and 127,129.23

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Solution

The fourth proportional to 229,104.63, 316,159.61 and 127,129.23 is: 175,435.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,104.63 : 316,159.61 = 127,129.23 : x
  2. Step 2: Convert to fraction form
    229,104.63/316,159.61 = 127,129.23/x
  3. Step 3: Cross multiply
    229,104.63x = 316,159.61 × 127,129.23
  4. Step 4: Simplify right side
    229,104.63x = 40,193,127,140.75
  5. Step 5: Solve for x
    x = 40,193,127,140.75/229,104.63
  6. Step 6: Final answer
    x = 175,435.68

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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.