Home / 259,899.16-389,848.48-97,823.47

Finding the Fourth Proportional to 259,899.16, 389,848.48 and 97,823.47

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Solution

The fourth proportional to 259,899.16, 389,848.48 and 97,823.47 is: 146,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,899.16 : 389,848.48 = 97,823.47 : x
  2. Step 2: Convert to fraction form
    259,899.16/389,848.48 = 97,823.47/x
  3. Step 3: Cross multiply
    259,899.16x = 389,848.48 × 97,823.47
  4. Step 4: Simplify right side
    259,899.16x = 38,136,332,108.75
  5. Step 5: Solve for x
    x = 38,136,332,108.75/259,899.16
  6. Step 6: Final answer
    x = 146,735.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.