Home / 145,906.72-201,444.98-91,533.43

Finding the Fourth Proportional to 145,906.72, 201,444.98 and 91,533.43

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Solution

The fourth proportional to 145,906.72, 201,444.98 and 91,533.43 is: 126,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,906.72 : 201,444.98 = 91,533.43 : x
  2. Step 2: Convert to fraction form
    145,906.72/201,444.98 = 91,533.43/x
  3. Step 3: Cross multiply
    145,906.72x = 201,444.98 × 91,533.43
  4. Step 4: Simplify right side
    145,906.72x = 18,438,951,166.66
  5. Step 5: Solve for x
    x = 18,438,951,166.66/145,906.72
  6. Step 6: Final answer
    x = 126,374.93

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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.