Home / 136,784.90-205,249.59-97,060.58

Finding the Fourth Proportional to 136,784.90, 205,249.59 and 97,060.58

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Solution

The fourth proportional to 136,784.90, 205,249.59 and 97,060.58 is: 145,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,784.90 : 205,249.59 = 97,060.58 : x
  2. Step 2: Convert to fraction form
    136,784.90/205,249.59 = 97,060.58/x
  3. Step 3: Cross multiply
    136,784.90x = 205,249.59 × 97,060.58
  4. Step 4: Simplify right side
    136,784.90x = 19,921,644,250.16
  5. Step 5: Solve for x
    x = 19,921,644,250.16/136,784.90
  6. Step 6: Final answer
    x = 145,642.13

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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.