Home / 112,537.12-155,296.56-64,795.36

Finding the Fourth Proportional to 112,537.12, 155,296.56 and 64,795.36

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Solution

The fourth proportional to 112,537.12, 155,296.56 and 64,795.36 is: 89,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,537.12 : 155,296.56 = 64,795.36 : x
  2. Step 2: Convert to fraction form
    112,537.12/155,296.56 = 64,795.36/x
  3. Step 3: Cross multiply
    112,537.12x = 155,296.56 × 64,795.36
  4. Step 4: Simplify right side
    112,537.12x = 10,062,496,511.96
  5. Step 5: Solve for x
    x = 10,062,496,511.96/112,537.12
  6. Step 6: Final answer
    x = 89,414.91

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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.