Home / 130,947.42-196,518.95-88,727.39

Finding the Fourth Proportional to 130,947.42, 196,518.95 and 88,727.39

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Solution

The fourth proportional to 130,947.42, 196,518.95 and 88,727.39 is: 133,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,947.42 : 196,518.95 = 88,727.39 : x
  2. Step 2: Convert to fraction form
    130,947.42/196,518.95 = 88,727.39/x
  3. Step 3: Cross multiply
    130,947.42x = 196,518.95 × 88,727.39
  4. Step 4: Simplify right side
    130,947.42x = 17,436,612,092.81
  5. Step 5: Solve for x
    x = 17,436,612,092.81/130,947.42
  6. Step 6: Final answer
    x = 133,157.36

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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.