Home / 145,876.56-201,365.00-98,157.59

Finding the Fourth Proportional to 145,876.56, 201,365.00 and 98,157.59

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Solution

The fourth proportional to 145,876.56, 201,365.00 and 98,157.59 is: 135,494.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,876.56 : 201,365.00 = 98,157.59 : x
  2. Step 2: Convert to fraction form
    145,876.56/201,365.00 = 98,157.59/x
  3. Step 3: Cross multiply
    145,876.56x = 201,365.00 × 98,157.59
  4. Step 4: Simplify right side
    145,876.56x = 19,765,501,612.74
  5. Step 5: Solve for x
    x = 19,765,501,612.74/145,876.56
  6. Step 6: Final answer
    x = 135,494.71

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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.