Home / 197,284.95-272,255.22-106,642.62

Finding the Fourth Proportional to 197,284.95, 272,255.22 and 106,642.62

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Solution

The fourth proportional to 197,284.95, 272,255.22 and 106,642.62 is: 147,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,284.95 : 272,255.22 = 106,642.62 : x
  2. Step 2: Convert to fraction form
    197,284.95/272,255.22 = 106,642.62/x
  3. Step 3: Cross multiply
    197,284.95x = 272,255.22 × 106,642.62
  4. Step 4: Simplify right side
    197,284.95x = 29,034,009,969.48
  5. Step 5: Solve for x
    x = 29,034,009,969.48/197,284.95
  6. Step 6: Final answer
    x = 147,167.89

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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.