Home / 108,901.84-164,160.80-99,442.48

Finding the Fourth Proportional to 108,901.84, 164,160.80 and 99,442.48

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Solution

The fourth proportional to 108,901.84, 164,160.80 and 99,442.48 is: 149,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,901.84 : 164,160.80 = 99,442.48 : x
  2. Step 2: Convert to fraction form
    108,901.84/164,160.80 = 99,442.48/x
  3. Step 3: Cross multiply
    108,901.84x = 164,160.80 × 99,442.48
  4. Step 4: Simplify right side
    108,901.84x = 16,324,557,070.78
  5. Step 5: Solve for x
    x = 16,324,557,070.78/108,901.84
  6. Step 6: Final answer
    x = 149,901.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.