Home / 112,207.77-154,794.54-66,860.31

Finding the Fourth Proportional to 112,207.77, 154,794.54 and 66,860.31

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Solution

The fourth proportional to 112,207.77, 154,794.54 and 66,860.31 is: 92,236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,207.77 : 154,794.54 = 66,860.31 : x
  2. Step 2: Convert to fraction form
    112,207.77/154,794.54 = 66,860.31/x
  3. Step 3: Cross multiply
    112,207.77x = 154,794.54 × 66,860.31
  4. Step 4: Simplify right side
    112,207.77x = 10,349,610,930.71
  5. Step 5: Solve for x
    x = 10,349,610,930.71/112,207.77
  6. Step 6: Final answer
    x = 92,236.13

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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.