Home / 229,175.68-316,257.63-127,195.21

Finding the Fourth Proportional to 229,175.68, 316,257.63 and 127,195.21

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Solution

The fourth proportional to 229,175.68, 316,257.63 and 127,195.21 is: 175,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,175.68 : 316,257.63 = 127,195.21 : x
  2. Step 2: Convert to fraction form
    229,175.68/316,257.63 = 127,195.21/x
  3. Step 3: Cross multiply
    229,175.68x = 316,257.63 × 127,195.21
  4. Step 4: Simplify right side
    229,175.68x = 40,226,455,661.95
  5. Step 5: Solve for x
    x = 40,226,455,661.95/229,175.68
  6. Step 6: Final answer
    x = 175,526.72

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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.