Home / 112,242.18-154,895.13-61,255.32

Finding the Fourth Proportional to 112,242.18, 154,895.13 and 61,255.32

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Solution

The fourth proportional to 112,242.18, 154,895.13 and 61,255.32 is: 84,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,242.18 : 154,895.13 = 61,255.32 : x
  2. Step 2: Convert to fraction form
    112,242.18/154,895.13 = 61,255.32/x
  3. Step 3: Cross multiply
    112,242.18x = 154,895.13 × 61,255.32
  4. Step 4: Simplify right side
    112,242.18x = 9,488,150,754.59
  5. Step 5: Solve for x
    x = 9,488,150,754.59/112,242.18
  6. Step 6: Final answer
    x = 84,532.84

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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.