Home / 94,853.16-130,668.59-81,197.78

Finding the Fourth Proportional to 94,853.16, 130,668.59 and 81,197.78

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Solution

The fourth proportional to 94,853.16, 130,668.59 and 81,197.78 is: 111,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,853.16 : 130,668.59 = 81,197.78 : x
  2. Step 2: Convert to fraction form
    94,853.16/130,668.59 = 81,197.78/x
  3. Step 3: Cross multiply
    94,853.16x = 130,668.59 × 81,197.78
  4. Step 4: Simplify right side
    94,853.16x = 10,609,998,973.38
  5. Step 5: Solve for x
    x = 10,609,998,973.38/94,853.16
  6. Step 6: Final answer
    x = 111,857.10

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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.