Home / 112,203.19-154,825.05-64,456.53

Finding the Fourth Proportional to 112,203.19, 154,825.05 and 64,456.53

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Solution

The fourth proportional to 112,203.19, 154,825.05 and 64,456.53 is: 88,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,203.19 : 154,825.05 = 64,456.53 : x
  2. Step 2: Convert to fraction form
    112,203.19/154,825.05 = 64,456.53/x
  3. Step 3: Cross multiply
    112,203.19x = 154,825.05 × 64,456.53
  4. Step 4: Simplify right side
    112,203.19x = 9,979,485,141.19
  5. Step 5: Solve for x
    x = 9,979,485,141.19/112,203.19
  6. Step 6: Final answer
    x = 88,941.19

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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.