Home / 112,201.16-154,851.29-64,454.39

Finding the Fourth Proportional to 112,201.16, 154,851.29 and 64,454.39

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Solution

The fourth proportional to 112,201.16, 154,851.29 and 64,454.39 is: 88,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,201.16 : 154,851.29 = 64,454.39 : x
  2. Step 2: Convert to fraction form
    112,201.16/154,851.29 = 64,454.39/x
  3. Step 3: Cross multiply
    112,201.16x = 154,851.29 × 64,454.39
  4. Step 4: Simplify right side
    112,201.16x = 9,980,844,341.13
  5. Step 5: Solve for x
    x = 9,980,844,341.13/112,201.16
  6. Step 6: Final answer
    x = 88,954.92

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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.