Home / 140,182.70-193,521.51-86,497.29

Finding the Fourth Proportional to 140,182.70, 193,521.51 and 86,497.29

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Solution

The fourth proportional to 140,182.70, 193,521.51 and 86,497.29 is: 119,409.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,182.70 : 193,521.51 = 86,497.29 : x
  2. Step 2: Convert to fraction form
    140,182.70/193,521.51 = 86,497.29/x
  3. Step 3: Cross multiply
    140,182.70x = 193,521.51 × 86,497.29
  4. Step 4: Simplify right side
    140,182.70x = 16,739,086,171.71
  5. Step 5: Solve for x
    x = 16,739,086,171.71/140,182.70
  6. Step 6: Final answer
    x = 119,409.08

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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.