Home / 464,103.09-696,155.24-127,146.70

Finding the Fourth Proportional to 464,103.09, 696,155.24 and 127,146.70

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Solution

The fourth proportional to 464,103.09, 696,155.24 and 127,146.70 is: 190,720.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,103.09 : 696,155.24 = 127,146.70 : x
  2. Step 2: Convert to fraction form
    464,103.09/696,155.24 = 127,146.70/x
  3. Step 3: Cross multiply
    464,103.09x = 696,155.24 × 127,146.70
  4. Step 4: Simplify right side
    464,103.09x = 88,513,841,453.71
  5. Step 5: Solve for x
    x = 88,513,841,453.71/464,103.09
  6. Step 6: Final answer
    x = 190,720.22

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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.