Home / 189,545.85-261,360.02-154,982.75

Finding the Fourth Proportional to 189,545.85, 261,360.02 and 154,982.75

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Solution

The fourth proportional to 189,545.85, 261,360.02 and 154,982.75 is: 213,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,545.85 : 261,360.02 = 154,982.75 : x
  2. Step 2: Convert to fraction form
    189,545.85/261,360.02 = 154,982.75/x
  3. Step 3: Cross multiply
    189,545.85x = 261,360.02 × 154,982.75
  4. Step 4: Simplify right side
    189,545.85x = 40,506,292,557.94
  5. Step 5: Solve for x
    x = 40,506,292,557.94/189,545.85
  6. Step 6: Final answer
    x = 213,701.82

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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.