Home / 104,228.32-143,835.60-61,236.76

Finding the Fourth Proportional to 104,228.32, 143,835.60 and 61,236.76

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Solution

The fourth proportional to 104,228.32, 143,835.60 and 61,236.76 is: 84,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,228.32 : 143,835.60 = 61,236.76 : x
  2. Step 2: Convert to fraction form
    104,228.32/143,835.60 = 61,236.76/x
  3. Step 3: Cross multiply
    104,228.32x = 143,835.60 × 61,236.76
  4. Step 4: Simplify right side
    104,228.32x = 8,808,026,116.66
  5. Step 5: Solve for x
    x = 8,808,026,116.66/104,228.32
  6. Step 6: Final answer
    x = 84,507.03

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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.