Home / 345,155.40-517,733.10-95,837.40

Finding the Fourth Proportional to 345,155.40, 517,733.10 and 95,837.40

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Solution

The fourth proportional to 345,155.40, 517,733.10 and 95,837.40 is: 143,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,155.40 : 517,733.10 = 95,837.40 : x
  2. Step 2: Convert to fraction form
    345,155.40/517,733.10 = 95,837.40/x
  3. Step 3: Cross multiply
    345,155.40x = 517,733.10 × 95,837.40
  4. Step 4: Simplify right side
    345,155.40x = 49,618,194,197.94
  5. Step 5: Solve for x
    x = 49,618,194,197.94/345,155.40
  6. Step 6: Final answer
    x = 143,756.10

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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.