Home / 112,210.77-154,798.68-66,863.31

Finding the Fourth Proportional to 112,210.77, 154,798.68 and 66,863.31

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Solution

The fourth proportional to 112,210.77, 154,798.68 and 66,863.31 is: 92,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,210.77 : 154,798.68 = 66,863.31 : x
  2. Step 2: Convert to fraction form
    112,210.77/154,798.68 = 66,863.31/x
  3. Step 3: Cross multiply
    112,210.77x = 154,798.68 × 66,863.31
  4. Step 4: Simplify right side
    112,210.77x = 10,350,352,128.43
  5. Step 5: Solve for x
    x = 10,350,352,128.43/112,210.77
  6. Step 6: Final answer
    x = 92,240.27

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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.