Home / 207,716.57-286,649.06-112,223.34

Finding the Fourth Proportional to 207,716.57, 286,649.06 and 112,223.34

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Solution

The fourth proportional to 207,716.57, 286,649.06 and 112,223.34 is: 154,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,716.57 : 286,649.06 = 112,223.34 : x
  2. Step 2: Convert to fraction form
    207,716.57/286,649.06 = 112,223.34/x
  3. Step 3: Cross multiply
    207,716.57x = 286,649.06 × 112,223.34
  4. Step 4: Simplify right side
    207,716.57x = 32,168,714,126.68
  5. Step 5: Solve for x
    x = 32,168,714,126.68/207,716.57
  6. Step 6: Final answer
    x = 154,868.31

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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.