Home / 192,197.81-265,223.35-107,298.47

Finding the Fourth Proportional to 192,197.81, 265,223.35 and 107,298.47

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Solution

The fourth proportional to 192,197.81, 265,223.35 and 107,298.47 is: 148,066.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,197.81 : 265,223.35 = 107,298.47 : x
  2. Step 2: Convert to fraction form
    192,197.81/265,223.35 = 107,298.47/x
  3. Step 3: Cross multiply
    192,197.81x = 265,223.35 × 107,298.47
  4. Step 4: Simplify right side
    192,197.81x = 28,458,059,663.27
  5. Step 5: Solve for x
    x = 28,458,059,663.27/192,197.81
  6. Step 6: Final answer
    x = 148,066.51

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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.