Home / 229,170.51-316,252.91-127,196.85

Finding the Fourth Proportional to 229,170.51, 316,252.91 and 127,196.85

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Solution

The fourth proportional to 229,170.51, 316,252.91 and 127,196.85 is: 175,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,170.51 : 316,252.91 = 127,196.85 : x
  2. Step 2: Convert to fraction form
    229,170.51/316,252.91 = 127,196.85/x
  3. Step 3: Cross multiply
    229,170.51x = 316,252.91 × 127,196.85
  4. Step 4: Simplify right side
    229,170.51x = 40,226,373,319.35
  5. Step 5: Solve for x
    x = 40,226,373,319.35/229,170.51
  6. Step 6: Final answer
    x = 175,530.32

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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.