Home / 109,701.90-164,552.85-101,148.30

Finding the Fourth Proportional to 109,701.90, 164,552.85 and 101,148.30

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Solution

The fourth proportional to 109,701.90, 164,552.85 and 101,148.30 is: 151,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,701.90 : 164,552.85 = 101,148.30 : x
  2. Step 2: Convert to fraction form
    109,701.90/164,552.85 = 101,148.30/x
  3. Step 3: Cross multiply
    109,701.90x = 164,552.85 × 101,148.30
  4. Step 4: Simplify right side
    109,701.90x = 16,644,241,037.66
  5. Step 5: Solve for x
    x = 16,644,241,037.66/109,701.90
  6. Step 6: Final answer
    x = 151,722.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.