Home / 202,088.22-278,877.13-111,441.62

Finding the Fourth Proportional to 202,088.22, 278,877.13 and 111,441.62

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Solution

The fourth proportional to 202,088.22, 278,877.13 and 111,441.62 is: 153,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,088.22 : 278,877.13 = 111,441.62 : x
  2. Step 2: Convert to fraction form
    202,088.22/278,877.13 = 111,441.62/x
  3. Step 3: Cross multiply
    202,088.22x = 278,877.13 × 111,441.62
  4. Step 4: Simplify right side
    202,088.22x = 31,078,519,566.74
  5. Step 5: Solve for x
    x = 31,078,519,566.74/202,088.22
  6. Step 6: Final answer
    x = 153,786.90

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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.