Home / 111,618.19-154,025.13-63,206.21

Finding the Fourth Proportional to 111,618.19, 154,025.13 and 63,206.21

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Solution

The fourth proportional to 111,618.19, 154,025.13 and 63,206.21 is: 87,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,618.19 : 154,025.13 = 63,206.21 : x
  2. Step 2: Convert to fraction form
    111,618.19/154,025.13 = 63,206.21/x
  3. Step 3: Cross multiply
    111,618.19x = 154,025.13 × 63,206.21
  4. Step 4: Simplify right side
    111,618.19x = 9,735,345,334.14
  5. Step 5: Solve for x
    x = 9,735,345,334.14/111,618.19
  6. Step 6: Final answer
    x = 87,220.06

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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.