Home / 116,004.36-160,080.66-65,703.72

Finding the Fourth Proportional to 116,004.36, 160,080.66 and 65,703.72

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Solution

The fourth proportional to 116,004.36, 160,080.66 and 65,703.72 is: 90,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,004.36 : 160,080.66 = 65,703.72 : x
  2. Step 2: Convert to fraction form
    116,004.36/160,080.66 = 65,703.72/x
  3. Step 3: Cross multiply
    116,004.36x = 160,080.66 × 65,703.72
  4. Step 4: Simplify right side
    116,004.36x = 10,517,894,862.06
  5. Step 5: Solve for x
    x = 10,517,894,862.06/116,004.36
  6. Step 6: Final answer
    x = 90,668.10

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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.