Home / 147,138.32-203,036.84-82,592.77

Finding the Fourth Proportional to 147,138.32, 203,036.84 and 82,592.77

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Solution

The fourth proportional to 147,138.32, 203,036.84 and 82,592.77 is: 113,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,138.32 : 203,036.84 = 82,592.77 : x
  2. Step 2: Convert to fraction form
    147,138.32/203,036.84 = 82,592.77/x
  3. Step 3: Cross multiply
    147,138.32x = 203,036.84 × 82,592.77
  4. Step 4: Simplify right side
    147,138.32x = 16,769,373,599.50
  5. Step 5: Solve for x
    x = 16,769,373,599.50/147,138.32
  6. Step 6: Final answer
    x = 113,970.13

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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.