Home / 143,151.42-197,439.48-97,246.47

Finding the Fourth Proportional to 143,151.42, 197,439.48 and 97,246.47

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Solution

The fourth proportional to 143,151.42, 197,439.48 and 97,246.47 is: 134,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,151.42 : 197,439.48 = 97,246.47 : x
  2. Step 2: Convert to fraction form
    143,151.42/197,439.48 = 97,246.47/x
  3. Step 3: Cross multiply
    143,151.42x = 197,439.48 × 97,246.47
  4. Step 4: Simplify right side
    143,151.42x = 19,200,292,468.64
  5. Step 5: Solve for x
    x = 19,200,292,468.64/143,151.42
  6. Step 6: Final answer
    x = 134,125.76

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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.