Home / 103,187.95-154,756.29-58,229.05

Finding the Fourth Proportional to 103,187.95, 154,756.29 and 58,229.05

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Solution

The fourth proportional to 103,187.95, 154,756.29 and 58,229.05 is: 87,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,187.95 : 154,756.29 = 58,229.05 : x
  2. Step 2: Convert to fraction form
    103,187.95/154,756.29 = 58,229.05/x
  3. Step 3: Cross multiply
    103,187.95x = 154,756.29 × 58,229.05
  4. Step 4: Simplify right side
    103,187.95x = 9,011,310,974.44
  5. Step 5: Solve for x
    x = 9,011,310,974.44/103,187.95
  6. Step 6: Final answer
    x = 87,329.10

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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.