Home / 112,240.70-154,895.44-61,256.72

Finding the Fourth Proportional to 112,240.70, 154,895.44 and 61,256.72

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Solution

The fourth proportional to 112,240.70, 154,895.44 and 61,256.72 is: 84,536.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,240.70 : 154,895.44 = 61,256.72 : x
  2. Step 2: Convert to fraction form
    112,240.70/154,895.44 = 61,256.72/x
  3. Step 3: Cross multiply
    112,240.70x = 154,895.44 × 61,256.72
  4. Step 4: Simplify right side
    112,240.70x = 9,488,386,597.36
  5. Step 5: Solve for x
    x = 9,488,386,597.36/112,240.70
  6. Step 6: Final answer
    x = 84,536.06

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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.