Home / 104,166.89-143,740.03-58,218.05

Finding the Fourth Proportional to 104,166.89, 143,740.03 and 58,218.05

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Solution

The fourth proportional to 104,166.89, 143,740.03 and 58,218.05 is: 80,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,166.89 : 143,740.03 = 58,218.05 : x
  2. Step 2: Convert to fraction form
    104,166.89/143,740.03 = 58,218.05/x
  3. Step 3: Cross multiply
    104,166.89x = 143,740.03 × 58,218.05
  4. Step 4: Simplify right side
    104,166.89x = 8,368,264,253.54
  5. Step 5: Solve for x
    x = 8,368,264,253.54/104,166.89
  6. Step 6: Final answer
    x = 80,335.16

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1.5x scale

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.