Home / 122,871.28-184,351.26-42,921.04

Finding the Fourth Proportional to 122,871.28, 184,351.26 and 42,921.04

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Solution

The fourth proportional to 122,871.28, 184,351.26 and 42,921.04 is: 64,397.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,871.28 : 184,351.26 = 42,921.04 : x
  2. Step 2: Convert to fraction form
    122,871.28/184,351.26 = 42,921.04/x
  3. Step 3: Cross multiply
    122,871.28x = 184,351.26 × 42,921.04
  4. Step 4: Simplify right side
    122,871.28x = 7,912,547,804.51
  5. Step 5: Solve for x
    x = 7,912,547,804.51/122,871.28
  6. Step 6: Final answer
    x = 64,397.05

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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.