Home / 141,161.74-211,555.70-103,545.69

Finding the Fourth Proportional to 141,161.74, 211,555.70 and 103,545.69

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Solution

The fourth proportional to 141,161.74, 211,555.70 and 103,545.69 is: 155,181.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,161.74 : 211,555.70 = 103,545.69 : x
  2. Step 2: Convert to fraction form
    141,161.74/211,555.70 = 103,545.69/x
  3. Step 3: Cross multiply
    141,161.74x = 211,555.70 × 103,545.69
  4. Step 4: Simplify right side
    141,161.74x = 21,905,681,197.17
  5. Step 5: Solve for x
    x = 21,905,681,197.17/141,161.74
  6. Step 6: Final answer
    x = 155,181.44

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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.