Home / 153,575.16-211,861.26-89,873.52

Finding the Fourth Proportional to 153,575.16, 211,861.26 and 89,873.52

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Solution

The fourth proportional to 153,575.16, 211,861.26 and 89,873.52 is: 123,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,575.16 : 211,861.26 = 89,873.52 : x
  2. Step 2: Convert to fraction form
    153,575.16/211,861.26 = 89,873.52/x
  3. Step 3: Cross multiply
    153,575.16x = 211,861.26 × 89,873.52
  4. Step 4: Simplify right side
    153,575.16x = 19,040,717,187.84
  5. Step 5: Solve for x
    x = 19,040,717,187.84/153,575.16
  6. Step 6: Final answer
    x = 123,983.05

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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.