Home / 151,576.61-209,172.96-83,599.87

Finding the Fourth Proportional to 151,576.61, 209,172.96 and 83,599.87

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Solution

The fourth proportional to 151,576.61, 209,172.96 and 83,599.87 is: 115,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,576.61 : 209,172.96 = 83,599.87 : x
  2. Step 2: Convert to fraction form
    151,576.61/209,172.96 = 83,599.87/x
  3. Step 3: Cross multiply
    151,576.61x = 209,172.96 × 83,599.87
  4. Step 4: Simplify right side
    151,576.61x = 17,486,832,263.52
  5. Step 5: Solve for x
    x = 17,486,832,263.52/151,576.61
  6. Step 6: Final answer
    x = 115,366.30

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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.