Home / 141,159.08-211,551.72-103,543.02

Finding the Fourth Proportional to 141,159.08, 211,551.72 and 103,543.02

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Solution

The fourth proportional to 141,159.08, 211,551.72 and 103,543.02 is: 155,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,159.08 : 211,551.72 = 103,543.02 : x
  2. Step 2: Convert to fraction form
    141,159.08/211,551.72 = 103,543.02/x
  3. Step 3: Cross multiply
    141,159.08x = 211,551.72 × 103,543.02
  4. Step 4: Simplify right side
    141,159.08x = 21,904,703,974.99
  5. Step 5: Solve for x
    x = 21,904,703,974.99/141,159.08
  6. Step 6: Final answer
    x = 155,177.44

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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.