Home / 109,878.17-151,604.54-63,945.35

Finding the Fourth Proportional to 109,878.17, 151,604.54 and 63,945.35

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Solution

The fourth proportional to 109,878.17, 151,604.54 and 63,945.35 is: 88,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,878.17 : 151,604.54 = 63,945.35 : x
  2. Step 2: Convert to fraction form
    109,878.17/151,604.54 = 63,945.35/x
  3. Step 3: Cross multiply
    109,878.17x = 151,604.54 × 63,945.35
  4. Step 4: Simplify right side
    109,878.17x = 9,694,404,922.61
  5. Step 5: Solve for x
    x = 9,694,404,922.61/109,878.17
  6. Step 6: Final answer
    x = 88,228.67

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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.