Home / 109,528.20-164,637.90-101,233.80

Finding the Fourth Proportional to 109,528.20, 164,637.90 and 101,233.80

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Solution

The fourth proportional to 109,528.20, 164,637.90 and 101,233.80 is: 152,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,528.20 : 164,637.90 = 101,233.80 : x
  2. Step 2: Convert to fraction form
    109,528.20/164,637.90 = 101,233.80/x
  3. Step 3: Cross multiply
    109,528.20x = 164,637.90 × 101,233.80
  4. Step 4: Simplify right side
    109,528.20x = 16,666,920,241.02
  5. Step 5: Solve for x
    x = 16,666,920,241.02/109,528.20
  6. Step 6: Final answer
    x = 152,170.13

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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.