Home / 156,574.28-216,072.66-88,589.84

Finding the Fourth Proportional to 156,574.28, 216,072.66 and 88,589.84

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Solution

The fourth proportional to 156,574.28, 216,072.66 and 88,589.84 is: 122,254.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,574.28 : 216,072.66 = 88,589.84 : x
  2. Step 2: Convert to fraction form
    156,574.28/216,072.66 = 88,589.84/x
  3. Step 3: Cross multiply
    156,574.28x = 216,072.66 × 88,589.84
  4. Step 4: Simplify right side
    156,574.28x = 19,141,842,377.77
  5. Step 5: Solve for x
    x = 19,141,842,377.77/156,574.28
  6. Step 6: Final answer
    x = 122,254.07

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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.