Home / 112,466.26-155,203.59-64,718.66

Finding the Fourth Proportional to 112,466.26, 155,203.59 and 64,718.66

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Solution

The fourth proportional to 112,466.26, 155,203.59 and 64,718.66 is: 89,311.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,466.26 : 155,203.59 = 64,718.66 : x
  2. Step 2: Convert to fraction form
    112,466.26/155,203.59 = 64,718.66/x
  3. Step 3: Cross multiply
    112,466.26x = 155,203.59 × 64,718.66
  4. Step 4: Simplify right side
    112,466.26x = 10,044,568,371.99
  5. Step 5: Solve for x
    x = 10,044,568,371.99/112,466.26
  6. Step 6: Final answer
    x = 89,311.84

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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.