Home / 145,921.19-201,384.42-88,575.11

Finding the Fourth Proportional to 145,921.19, 201,384.42 and 88,575.11

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Solution

The fourth proportional to 145,921.19, 201,384.42 and 88,575.11 is: 122,241.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,921.19 : 201,384.42 = 88,575.11 : x
  2. Step 2: Convert to fraction form
    145,921.19/201,384.42 = 88,575.11/x
  3. Step 3: Cross multiply
    145,921.19x = 201,384.42 × 88,575.11
  4. Step 4: Simplify right side
    145,921.19x = 17,837,646,146.86
  5. Step 5: Solve for x
    x = 17,837,646,146.86/145,921.19
  6. Step 6: Final answer
    x = 122,241.65

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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.