Home / 112,187.31-154,818.93-61,201.13

Finding the Fourth Proportional to 112,187.31, 154,818.93 and 61,201.13

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Solution

The fourth proportional to 112,187.31, 154,818.93 and 61,201.13 is: 84,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,187.31 : 154,818.93 = 61,201.13 : x
  2. Step 2: Convert to fraction form
    112,187.31/154,818.93 = 61,201.13/x
  3. Step 3: Cross multiply
    112,187.31x = 154,818.93 × 61,201.13
  4. Step 4: Simplify right side
    112,187.31x = 9,475,092,687.30
  5. Step 5: Solve for x
    x = 9,475,092,687.30/112,187.31
  6. Step 6: Final answer
    x = 84,457.79

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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.