Home / 110,218.80-152,164.32-84,328.56

Finding the Fourth Proportional to 110,218.80, 152,164.32 and 84,328.56

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Solution

The fourth proportional to 110,218.80, 152,164.32 and 84,328.56 is: 116,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,218.80 : 152,164.32 = 84,328.56 : x
  2. Step 2: Convert to fraction form
    110,218.80/152,164.32 = 84,328.56/x
  3. Step 3: Cross multiply
    110,218.80x = 152,164.32 × 84,328.56
  4. Step 4: Simplify right side
    110,218.80x = 12,831,797,988.98
  5. Step 5: Solve for x
    x = 12,831,797,988.98/110,218.80
  6. Step 6: Final answer
    x = 116,421.14

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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.