Home / 207,608.48-286,499.70-112,115.17

Finding the Fourth Proportional to 207,608.48, 286,499.70 and 112,115.17

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Solution

The fourth proportional to 207,608.48, 286,499.70 and 112,115.17 is: 154,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,608.48 : 286,499.70 = 112,115.17 : x
  2. Step 2: Convert to fraction form
    207,608.48/286,499.70 = 112,115.17/x
  3. Step 3: Cross multiply
    207,608.48x = 286,499.70 × 112,115.17
  4. Step 4: Simplify right side
    207,608.48x = 32,120,961,137.95
  5. Step 5: Solve for x
    x = 32,120,961,137.95/207,608.48
  6. Step 6: Final answer
    x = 154,718.93

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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.