Home / 147,149.90-203,004.92-92,605.45

Finding the Fourth Proportional to 147,149.90, 203,004.92 and 92,605.45

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Solution

The fourth proportional to 147,149.90, 203,004.92 and 92,605.45 is: 127,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,149.90 : 203,004.92 = 92,605.45 : x
  2. Step 2: Convert to fraction form
    147,149.90/203,004.92 = 92,605.45/x
  3. Step 3: Cross multiply
    147,149.90x = 203,004.92 × 92,605.45
  4. Step 4: Simplify right side
    147,149.90x = 18,799,360,490.76
  5. Step 5: Solve for x
    x = 18,799,360,490.76/147,149.90
  6. Step 6: Final answer
    x = 127,756.53

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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.