Home / 134,432.14-185,509.93-74,001.52

Finding the Fourth Proportional to 134,432.14, 185,509.93 and 74,001.52

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Solution

The fourth proportional to 134,432.14, 185,509.93 and 74,001.52 is: 102,118.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,432.14 : 185,509.93 = 74,001.52 : x
  2. Step 2: Convert to fraction form
    134,432.14/185,509.93 = 74,001.52/x
  3. Step 3: Cross multiply
    134,432.14x = 185,509.93 × 74,001.52
  4. Step 4: Simplify right side
    134,432.14x = 13,728,016,795.09
  5. Step 5: Solve for x
    x = 13,728,016,795.09/134,432.14
  6. Step 6: Final answer
    x = 102,118.56

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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.