Home / 189,001.16-283,403.31-89,134.53

Finding the Fourth Proportional to 189,001.16, 283,403.31 and 89,134.53

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Solution

The fourth proportional to 189,001.16, 283,403.31 and 89,134.53 is: 133,655.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,001.16 : 283,403.31 = 89,134.53 : x
  2. Step 2: Convert to fraction form
    189,001.16/283,403.31 = 89,134.53/x
  3. Step 3: Cross multiply
    189,001.16x = 283,403.31 × 89,134.53
  4. Step 4: Simplify right side
    189,001.16x = 25,261,020,837.29
  5. Step 5: Solve for x
    x = 25,261,020,837.29/189,001.16
  6. Step 6: Final answer
    x = 133,655.38

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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.