Home / 229,117.32-316,181.22-127,158.14

Finding the Fourth Proportional to 229,117.32, 316,181.22 and 127,158.14

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Solution

The fourth proportional to 229,117.32, 316,181.22 and 127,158.14 is: 175,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,117.32 : 316,181.22 = 127,158.14 : x
  2. Step 2: Convert to fraction form
    229,117.32/316,181.22 = 127,158.14/x
  3. Step 3: Cross multiply
    229,117.32x = 316,181.22 × 127,158.14
  4. Step 4: Simplify right side
    229,117.32x = 40,205,015,838.13
  5. Step 5: Solve for x
    x = 40,205,015,838.13/229,117.32
  6. Step 6: Final answer
    x = 175,477.85

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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.