Home / 221,019.15-331,531.03-176,926.19

Finding the Fourth Proportional to 221,019.15, 331,531.03 and 176,926.19

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Solution

The fourth proportional to 221,019.15, 331,531.03 and 176,926.19 is: 265,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,019.15 : 331,531.03 = 176,926.19 : x
  2. Step 2: Convert to fraction form
    221,019.15/331,531.03 = 176,926.19/x
  3. Step 3: Cross multiply
    221,019.15x = 331,531.03 × 176,926.19
  4. Step 4: Simplify right side
    221,019.15x = 58,656,520,347.02
  5. Step 5: Solve for x
    x = 58,656,520,347.02/221,019.15
  6. Step 6: Final answer
    x = 265,391.13

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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.