Home / 116,191.13-160,343.75-65,890.13

Finding the Fourth Proportional to 116,191.13, 160,343.75 and 65,890.13

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Solution

The fourth proportional to 116,191.13, 160,343.75 and 65,890.13 is: 90,928.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,191.13 : 160,343.75 = 65,890.13 : x
  2. Step 2: Convert to fraction form
    116,191.13/160,343.75 = 65,890.13/x
  3. Step 3: Cross multiply
    116,191.13x = 160,343.75 × 65,890.13
  4. Step 4: Simplify right side
    116,191.13x = 10,565,069,895.19
  5. Step 5: Solve for x
    x = 10,565,069,895.19/116,191.13
  6. Step 6: Final answer
    x = 90,928.37

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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.