Home / 112,242.15-154,920.68-64,523.18

Finding the Fourth Proportional to 112,242.15, 154,920.68 and 64,523.18

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Solution

The fourth proportional to 112,242.15, 154,920.68 and 64,523.18 is: 89,057.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,242.15 : 154,920.68 = 64,523.18 : x
  2. Step 2: Convert to fraction form
    112,242.15/154,920.68 = 64,523.18/x
  3. Step 3: Cross multiply
    112,242.15x = 154,920.68 × 64,523.18
  4. Step 4: Simplify right side
    112,242.15x = 9,995,973,824.14
  5. Step 5: Solve for x
    x = 9,995,973,824.14/112,242.15
  6. Step 6: Final answer
    x = 89,057.22

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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.