Home / 229,312.31-316,440.33-127,344.24

Finding the Fourth Proportional to 229,312.31, 316,440.33 and 127,344.24

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Solution

The fourth proportional to 229,312.31, 316,440.33 and 127,344.24 is: 175,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,312.31 : 316,440.33 = 127,344.24 : x
  2. Step 2: Convert to fraction form
    229,312.31/316,440.33 = 127,344.24/x
  3. Step 3: Cross multiply
    229,312.31x = 316,440.33 × 127,344.24
  4. Step 4: Simplify right side
    229,312.31x = 40,296,853,329.20
  5. Step 5: Solve for x
    x = 40,296,853,329.20/229,312.31
  6. Step 6: Final answer
    x = 175,729.14

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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.