Home / 119,526.66-179,595.99-90,220.50

Finding the Fourth Proportional to 119,526.66, 179,595.99 and 90,220.50

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Solution

The fourth proportional to 119,526.66, 179,595.99 and 90,220.50 is: 135,561.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,526.66 : 179,595.99 = 90,220.50 : x
  2. Step 2: Convert to fraction form
    119,526.66/179,595.99 = 90,220.50/x
  3. Step 3: Cross multiply
    119,526.66x = 179,595.99 × 90,220.50
  4. Step 4: Simplify right side
    119,526.66x = 16,203,240,015.80
  5. Step 5: Solve for x
    x = 16,203,240,015.80/119,526.66
  6. Step 6: Final answer
    x = 135,561.72

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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.