Home / 151,259.77-227,030-76,432.46

Finding the Fourth Proportional to 151,259.77, 227,030 and 76,432.46

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Solution

The fourth proportional to 151,259.77, 227,030 and 76,432.46 is: 114,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,259.77 : 227,030 = 76,432.46 : x
  2. Step 2: Convert to fraction form
    151,259.77/227,030 = 76,432.46/x
  3. Step 3: Cross multiply
    151,259.77x = 227,030 × 76,432.46
  4. Step 4: Simplify right side
    151,259.77x = 17,352,461,393.80
  5. Step 5: Solve for x
    x = 17,352,461,393.80/151,259.77
  6. Step 6: Final answer
    x = 114,719.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.