Home / 109,554.80-151,186.38-69,285.92

Finding the Fourth Proportional to 109,554.80, 151,186.38 and 69,285.92

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Solution

The fourth proportional to 109,554.80, 151,186.38 and 69,285.92 is: 95,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,554.80 : 151,186.38 = 69,285.92 : x
  2. Step 2: Convert to fraction form
    109,554.80/151,186.38 = 69,285.92/x
  3. Step 3: Cross multiply
    109,554.80x = 151,186.38 × 69,285.92
  4. Step 4: Simplify right side
    109,554.80x = 10,475,087,429.77
  5. Step 5: Solve for x
    x = 10,475,087,429.77/109,554.80
  6. Step 6: Final answer
    x = 95,615.05

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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.