Home / 116,301.90-160,505.14-65,317.64

Finding the Fourth Proportional to 116,301.90, 160,505.14 and 65,317.64

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Solution

The fourth proportional to 116,301.90, 160,505.14 and 65,317.64 is: 90,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,301.90 : 160,505.14 = 65,317.64 : x
  2. Step 2: Convert to fraction form
    116,301.90/160,505.14 = 65,317.64/x
  3. Step 3: Cross multiply
    116,301.90x = 160,505.14 × 65,317.64
  4. Step 4: Simplify right side
    116,301.90x = 10,483,816,952.67
  5. Step 5: Solve for x
    x = 10,483,816,952.67/116,301.90
  6. Step 6: Final answer
    x = 90,143.13

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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.