Home / 112,178.25-154,816.92-61,877.25

Finding the Fourth Proportional to 112,178.25, 154,816.92 and 61,877.25

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Solution

The fourth proportional to 112,178.25, 154,816.92 and 61,877.25 is: 85,396.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,178.25 : 154,816.92 = 61,877.25 : x
  2. Step 2: Convert to fraction form
    112,178.25/154,816.92 = 61,877.25/x
  3. Step 3: Cross multiply
    112,178.25x = 154,816.92 × 61,877.25
  4. Step 4: Simplify right side
    112,178.25x = 9,579,645,263.07
  5. Step 5: Solve for x
    x = 9,579,645,263.07/112,178.25
  6. Step 6: Final answer
    x = 85,396.64

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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.