Home / 116,837.12-161,235.12-63,845.12

Finding the Fourth Proportional to 116,837.12, 161,235.12 and 63,845.12

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Solution

The fourth proportional to 116,837.12, 161,235.12 and 63,845.12 is: 88,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,837.12 : 161,235.12 = 63,845.12 : x
  2. Step 2: Convert to fraction form
    116,837.12/161,235.12 = 63,845.12/x
  3. Step 3: Cross multiply
    116,837.12x = 161,235.12 × 63,845.12
  4. Step 4: Simplify right side
    116,837.12x = 10,294,075,584.61
  5. Step 5: Solve for x
    x = 10,294,075,584.61/116,837.12
  6. Step 6: Final answer
    x = 88,106.21

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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.