Home / 229,312.12-316,440.06-127,344.04

Finding the Fourth Proportional to 229,312.12, 316,440.06 and 127,344.04

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Solution

The fourth proportional to 229,312.12, 316,440.06 and 127,344.04 is: 175,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,312.12 : 316,440.06 = 127,344.04 : x
  2. Step 2: Convert to fraction form
    229,312.12/316,440.06 = 127,344.04/x
  3. Step 3: Cross multiply
    229,312.12x = 316,440.06 × 127,344.04
  4. Step 4: Simplify right side
    229,312.12x = 40,296,755,658.24
  5. Step 5: Solve for x
    x = 40,296,755,658.24/229,312.12
  6. Step 6: Final answer
    x = 175,728.85

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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.