Home / 147,512.34-203,567.18-80,444.34

Finding the Fourth Proportional to 147,512.34, 203,567.18 and 80,444.34

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Solution

The fourth proportional to 147,512.34, 203,567.18 and 80,444.34 is: 111,013.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,512.34 : 203,567.18 = 80,444.34 : x
  2. Step 2: Convert to fraction form
    147,512.34/203,567.18 = 80,444.34/x
  3. Step 3: Cross multiply
    147,512.34x = 203,567.18 × 80,444.34
  4. Step 4: Simplify right side
    147,512.34x = 16,375,827,038.54
  5. Step 5: Solve for x
    x = 16,375,827,038.54/147,512.34
  6. Step 6: Final answer
    x = 111,013.27

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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.