Home / 340,026.48-510,021.26-103,350.71

Finding the Fourth Proportional to 340,026.48, 510,021.26 and 103,350.71

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Solution

The fourth proportional to 340,026.48, 510,021.26 and 103,350.71 is: 155,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,026.48 : 510,021.26 = 103,350.71 : x
  2. Step 2: Convert to fraction form
    340,026.48/510,021.26 = 103,350.71/x
  3. Step 3: Cross multiply
    340,026.48x = 510,021.26 × 103,350.71
  4. Step 4: Simplify right side
    340,026.48x = 52,711,059,047.52
  5. Step 5: Solve for x
    x = 52,711,059,047.52/340,026.48
  6. Step 6: Final answer
    x = 155,020.45

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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.