Home / 112,266.29-154,927.69-61,965.29

Finding the Fourth Proportional to 112,266.29, 154,927.69 and 61,965.29

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Solution

The fourth proportional to 112,266.29, 154,927.69 and 61,965.29 is: 85,512.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,266.29 : 154,927.69 = 61,965.29 : x
  2. Step 2: Convert to fraction form
    112,266.29/154,927.69 = 61,965.29/x
  3. Step 3: Cross multiply
    112,266.29x = 154,927.69 × 61,965.29
  4. Step 4: Simplify right side
    112,266.29x = 9,600,139,472.29
  5. Step 5: Solve for x
    x = 9,600,139,472.29/112,266.29
  6. Step 6: Final answer
    x = 85,512.22

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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.