Home / 143,345.04-215,070.12-49,877.52

Finding the Fourth Proportional to 143,345.04, 215,070.12 and 49,877.52

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Solution

The fourth proportional to 143,345.04, 215,070.12 and 49,877.52 is: 74,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,345.04 : 215,070.12 = 49,877.52 : x
  2. Step 2: Convert to fraction form
    143,345.04/215,070.12 = 49,877.52/x
  3. Step 3: Cross multiply
    143,345.04x = 215,070.12 × 49,877.52
  4. Step 4: Simplify right side
    143,345.04x = 10,727,164,211.70
  5. Step 5: Solve for x
    x = 10,727,164,211.70/143,345.04
  6. Step 6: Final answer
    x = 74,834.57

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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.