Home / 112,178.49-154,795.53-61,874.25

Finding the Fourth Proportional to 112,178.49, 154,795.53 and 61,874.25

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Solution

The fourth proportional to 112,178.49, 154,795.53 and 61,874.25 is: 85,380.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,178.49 : 154,795.53 = 61,874.25 : x
  2. Step 2: Convert to fraction form
    112,178.49/154,795.53 = 61,874.25/x
  3. Step 3: Cross multiply
    112,178.49x = 154,795.53 × 61,874.25
  4. Step 4: Simplify right side
    112,178.49x = 9,577,857,322.10
  5. Step 5: Solve for x
    x = 9,577,857,322.10/112,178.49
  6. Step 6: Final answer
    x = 85,380.52

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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.