Home / 147,153.32-203,057.52-82,607.76

Finding the Fourth Proportional to 147,153.32, 203,057.52 and 82,607.76

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Solution

The fourth proportional to 147,153.32, 203,057.52 and 82,607.76 is: 113,990.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,153.32 : 203,057.52 = 82,607.76 : x
  2. Step 2: Convert to fraction form
    147,153.32/203,057.52 = 82,607.76/x
  3. Step 3: Cross multiply
    147,153.32x = 203,057.52 × 82,607.76
  4. Step 4: Simplify right side
    147,153.32x = 16,774,126,878.36
  5. Step 5: Solve for x
    x = 16,774,126,878.36/147,153.32
  6. Step 6: Final answer
    x = 113,990.82

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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.