Home / 159,098.95-219,557.35-87,483.58

Finding the Fourth Proportional to 159,098.95, 219,557.35 and 87,483.58

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Solution

The fourth proportional to 159,098.95, 219,557.35 and 87,483.58 is: 120,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,098.95 : 219,557.35 = 87,483.58 : x
  2. Step 2: Convert to fraction form
    159,098.95/219,557.35 = 87,483.58/x
  3. Step 3: Cross multiply
    159,098.95x = 219,557.35 × 87,483.58
  4. Step 4: Simplify right side
    159,098.95x = 19,207,661,895.53
  5. Step 5: Solve for x
    x = 19,207,661,895.53/159,098.95
  6. Step 6: Final answer
    x = 120,727.78

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1.5x scale

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.