Home / 143,251.61-197,602.34-97,906.59

Finding the Fourth Proportional to 143,251.61, 197,602.34 and 97,906.59

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Solution

The fourth proportional to 143,251.61, 197,602.34 and 97,906.59 is: 135,053.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,251.61 : 197,602.34 = 97,906.59 : x
  2. Step 2: Convert to fraction form
    143,251.61/197,602.34 = 97,906.59/x
  3. Step 3: Cross multiply
    143,251.61x = 197,602.34 × 97,906.59
  4. Step 4: Simplify right side
    143,251.61x = 19,346,570,795.89
  5. Step 5: Solve for x
    x = 19,346,570,795.89/143,251.61
  6. Step 6: Final answer
    x = 135,053.08

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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.