Home / 112,255.08-154,911.96-61,954.08

Finding the Fourth Proportional to 112,255.08, 154,911.96 and 61,954.08

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Solution

The fourth proportional to 112,255.08, 154,911.96 and 61,954.08 is: 85,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,255.08 : 154,911.96 = 61,954.08 : x
  2. Step 2: Convert to fraction form
    112,255.08/154,911.96 = 61,954.08/x
  3. Step 3: Cross multiply
    112,255.08x = 154,911.96 × 61,954.08
  4. Step 4: Simplify right side
    112,255.08x = 9,597,427,962.80
  5. Step 5: Solve for x
    x = 9,597,427,962.80/112,255.08
  6. Step 6: Final answer
    x = 85,496.60

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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.