Home / 142,103.76-196,110.36-94,275.60

Finding the Fourth Proportional to 142,103.76, 196,110.36 and 94,275.60

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Solution

The fourth proportional to 142,103.76, 196,110.36 and 94,275.60 is: 130,105.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,103.76 : 196,110.36 = 94,275.60 : x
  2. Step 2: Convert to fraction form
    142,103.76/196,110.36 = 94,275.60/x
  3. Step 3: Cross multiply
    142,103.76x = 196,110.36 × 94,275.60
  4. Step 4: Simplify right side
    142,103.76x = 18,488,421,855.22
  5. Step 5: Solve for x
    x = 18,488,421,855.22/142,103.76
  6. Step 6: Final answer
    x = 130,105.09

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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.