Home / 116,854.12-161,259.42-88,510.60

Finding the Fourth Proportional to 116,854.12, 161,259.42 and 88,510.60

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Solution

The fourth proportional to 116,854.12, 161,259.42 and 88,510.60 is: 122,145.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,854.12 : 161,259.42 = 88,510.60 : x
  2. Step 2: Convert to fraction form
    116,854.12/161,259.42 = 88,510.60/x
  3. Step 3: Cross multiply
    116,854.12x = 161,259.42 × 88,510.60
  4. Step 4: Simplify right side
    116,854.12x = 14,273,168,019.85
  5. Step 5: Solve for x
    x = 14,273,168,019.85/116,854.12
  6. Step 6: Final answer
    x = 122,145.18

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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.