Home / 147,115.81-203,013.84-83,452.24

Finding the Fourth Proportional to 147,115.81, 203,013.84 and 83,452.24

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Solution

The fourth proportional to 147,115.81, 203,013.84 and 83,452.24 is: 115,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,115.81 : 203,013.84 = 83,452.24 : x
  2. Step 2: Convert to fraction form
    147,115.81/203,013.84 = 83,452.24/x
  3. Step 3: Cross multiply
    147,115.81x = 203,013.84 × 83,452.24
  4. Step 4: Simplify right side
    147,115.81x = 16,941,959,699.00
  5. Step 5: Solve for x
    x = 16,941,959,699.00/147,115.81
  6. Step 6: Final answer
    x = 115,160.70

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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.