Home / 112,021.32-154,588.22-64,282.18

Finding the Fourth Proportional to 112,021.32, 154,588.22 and 64,282.18

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Solution

The fourth proportional to 112,021.32, 154,588.22 and 64,282.18 is: 88,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,021.32 : 154,588.22 = 64,282.18 : x
  2. Step 2: Convert to fraction form
    112,021.32/154,588.22 = 64,282.18/x
  3. Step 3: Cross multiply
    112,021.32x = 154,588.22 × 64,282.18
  4. Step 4: Simplify right side
    112,021.32x = 9,937,267,783.92
  5. Step 5: Solve for x
    x = 9,937,267,783.92/112,021.32
  6. Step 6: Final answer
    x = 88,708.72

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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.