Home / 119,456.20-179,030.70-91,616.20

Finding the Fourth Proportional to 119,456.20, 179,030.70 and 91,616.20

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Solution

The fourth proportional to 119,456.20, 179,030.70 and 91,616.20 is: 137,306.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,456.20 : 179,030.70 = 91,616.20 : x
  2. Step 2: Convert to fraction form
    119,456.20/179,030.70 = 91,616.20/x
  3. Step 3: Cross multiply
    119,456.20x = 179,030.70 × 91,616.20
  4. Step 4: Simplify right side
    119,456.20x = 16,402,112,417.34
  5. Step 5: Solve for x
    x = 16,402,112,417.34/119,456.20
  6. Step 6: Final answer
    x = 137,306.50

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1.5x scale

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.