Home / 116,621.75-160,952.19-65,653.58

Finding the Fourth Proportional to 116,621.75, 160,952.19 and 65,653.58

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Solution

The fourth proportional to 116,621.75, 160,952.19 and 65,653.58 is: 90,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,621.75 : 160,952.19 = 65,653.58 : x
  2. Step 2: Convert to fraction form
    116,621.75/160,952.19 = 65,653.58/x
  3. Step 3: Cross multiply
    116,621.75x = 160,952.19 × 65,653.58
  4. Step 4: Simplify right side
    116,621.75x = 10,567,087,482.34
  5. Step 5: Solve for x
    x = 10,567,087,482.34/116,621.75
  6. Step 6: Final answer
    x = 90,609.92

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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.