Home / 199,423.48-275,194.06-123,970.68

Finding the Fourth Proportional to 199,423.48, 275,194.06 and 123,970.68

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Solution

The fourth proportional to 199,423.48, 275,194.06 and 123,970.68 is: 171,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,423.48 : 275,194.06 = 123,970.68 : x
  2. Step 2: Convert to fraction form
    199,423.48/275,194.06 = 123,970.68/x
  3. Step 3: Cross multiply
    199,423.48x = 275,194.06 × 123,970.68
  4. Step 4: Simplify right side
    199,423.48x = 34,115,994,750.16
  5. Step 5: Solve for x
    x = 34,115,994,750.16/199,423.48
  6. Step 6: Final answer
    x = 171,073.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.