Home / 438,151.03-657,321.60-134,546.23

Finding the Fourth Proportional to 438,151.03, 657,321.60 and 134,546.23

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Solution

The fourth proportional to 438,151.03, 657,321.60 and 134,546.23 is: 201,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,151.03 : 657,321.60 = 134,546.23 : x
  2. Step 2: Convert to fraction form
    438,151.03/657,321.60 = 134,546.23/x
  3. Step 3: Cross multiply
    438,151.03x = 657,321.60 × 134,546.23
  4. Step 4: Simplify right side
    438,151.03x = 88,440,143,177.57
  5. Step 5: Solve for x
    x = 88,440,143,177.57/438,151.03
  6. Step 6: Final answer
    x = 201,848.53

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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.