Home / 147,235.79-203,195.93-83,577.69

Finding the Fourth Proportional to 147,235.79, 203,195.93 and 83,577.69

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Solution

The fourth proportional to 147,235.79, 203,195.93 and 83,577.69 is: 115,343.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,235.79 : 203,195.93 = 83,577.69 : x
  2. Step 2: Convert to fraction form
    147,235.79/203,195.93 = 83,577.69/x
  3. Step 3: Cross multiply
    147,235.79x = 203,195.93 × 83,577.69
  4. Step 4: Simplify right side
    147,235.79x = 16,982,646,028.91
  5. Step 5: Solve for x
    x = 16,982,646,028.91/147,235.79
  6. Step 6: Final answer
    x = 115,343.19

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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.