Home / 147,527.39-203,586.86-83,865.20

Finding the Fourth Proportional to 147,527.39, 203,586.86 and 83,865.20

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Solution

The fourth proportional to 147,527.39, 203,586.86 and 83,865.20 is: 115,733.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,527.39 : 203,586.86 = 83,865.20 : x
  2. Step 2: Convert to fraction form
    147,527.39/203,586.86 = 83,865.20/x
  3. Step 3: Cross multiply
    147,527.39x = 203,586.86 × 83,865.20
  4. Step 4: Simplify right side
    147,527.39x = 17,073,851,294.01
  5. Step 5: Solve for x
    x = 17,073,851,294.01/147,527.39
  6. Step 6: Final answer
    x = 115,733.44

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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.