Home / 340,045.43-510,086.39-103,370.13

Finding the Fourth Proportional to 340,045.43, 510,086.39 and 103,370.13

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Solution

The fourth proportional to 340,045.43, 510,086.39 and 103,370.13 is: 155,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,045.43 : 510,086.39 = 103,370.13 : x
  2. Step 2: Convert to fraction form
    340,045.43/510,086.39 = 103,370.13/x
  3. Step 3: Cross multiply
    340,045.43x = 510,086.39 × 103,370.13
  4. Step 4: Simplify right side
    340,045.43x = 52,727,695,928.68
  5. Step 5: Solve for x
    x = 52,727,695,928.68/340,045.43
  6. Step 6: Final answer
    x = 155,060.74

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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.