Home / 112,240.76-154,895.53-61,256.77

Finding the Fourth Proportional to 112,240.76, 154,895.53 and 61,256.77

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Solution

The fourth proportional to 112,240.76, 154,895.53 and 61,256.77 is: 84,536.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,240.76 : 154,895.53 = 61,256.77 : x
  2. Step 2: Convert to fraction form
    112,240.76/154,895.53 = 61,256.77/x
  3. Step 3: Cross multiply
    112,240.76x = 154,895.53 × 61,256.77
  4. Step 4: Simplify right side
    112,240.76x = 9,488,399,819.82
  5. Step 5: Solve for x
    x = 9,488,399,819.82/112,240.76
  6. Step 6: Final answer
    x = 84,536.13

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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.