Home / 229,520.11-316,717.58-127,539.11

Finding the Fourth Proportional to 229,520.11, 316,717.58 and 127,539.11

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Solution

The fourth proportional to 229,520.11, 316,717.58 and 127,539.11 is: 175,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,520.11 : 316,717.58 = 127,539.11 : x
  2. Step 2: Convert to fraction form
    229,520.11/316,717.58 = 127,539.11/x
  3. Step 3: Cross multiply
    229,520.11x = 316,717.58 × 127,539.11
  4. Step 4: Simplify right side
    229,520.11x = 40,393,877,009.81
  5. Step 5: Solve for x
    x = 40,393,877,009.81/229,520.11
  6. Step 6: Final answer
    x = 175,992.76

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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.