Home / 147,586.25-203,684.71-90,259.11

Finding the Fourth Proportional to 147,586.25, 203,684.71 and 90,259.11

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Solution

The fourth proportional to 147,586.25, 203,684.71 and 90,259.11 is: 124,567.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,586.25 : 203,684.71 = 90,259.11 : x
  2. Step 2: Convert to fraction form
    147,586.25/203,684.71 = 90,259.11/x
  3. Step 3: Cross multiply
    147,586.25x = 203,684.71 × 90,259.11
  4. Step 4: Simplify right side
    147,586.25x = 18,384,399,626.78
  5. Step 5: Solve for x
    x = 18,384,399,626.78/147,586.25
  6. Step 6: Final answer
    x = 124,567.16

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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.