Home / 102,118.28-153,177.54-49,535.48

Finding the Fourth Proportional to 102,118.28, 153,177.54 and 49,535.48

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Solution

The fourth proportional to 102,118.28, 153,177.54 and 49,535.48 is: 74,303.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,118.28 : 153,177.54 = 49,535.48 : x
  2. Step 2: Convert to fraction form
    102,118.28/153,177.54 = 49,535.48/x
  3. Step 3: Cross multiply
    102,118.28x = 153,177.54 × 49,535.48
  4. Step 4: Simplify right side
    102,118.28x = 7,587,722,969.12
  5. Step 5: Solve for x
    x = 7,587,722,969.12/102,118.28
  6. Step 6: Final answer
    x = 74,303.28

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1.5x scale

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.