Home / 219,110.67-328,666.01-199,690.11

Finding the Fourth Proportional to 219,110.67, 328,666.01 and 199,690.11

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Solution

The fourth proportional to 219,110.67, 328,666.01 and 199,690.11 is: 299,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,110.67 : 328,666.01 = 199,690.11 : x
  2. Step 2: Convert to fraction form
    219,110.67/328,666.01 = 199,690.11/x
  3. Step 3: Cross multiply
    219,110.67x = 328,666.01 × 199,690.11
  4. Step 4: Simplify right side
    219,110.67x = 65,631,350,691.71
  5. Step 5: Solve for x
    x = 65,631,350,691.71/219,110.67
  6. Step 6: Final answer
    x = 299,535.17

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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.