Home / 147,261.87-203,215.77-89,996.94

Finding the Fourth Proportional to 147,261.87, 203,215.77 and 89,996.94

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Solution

The fourth proportional to 147,261.87, 203,215.77 and 89,996.94 is: 124,192.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,261.87 : 203,215.77 = 89,996.94 : x
  2. Step 2: Convert to fraction form
    147,261.87/203,215.77 = 89,996.94/x
  3. Step 3: Cross multiply
    147,261.87x = 203,215.77 × 89,996.94
  4. Step 4: Simplify right side
    147,261.87x = 18,288,797,459.74
  5. Step 5: Solve for x
    x = 18,288,797,459.74/147,261.87
  6. Step 6: Final answer
    x = 124,192.35

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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.