Home / 190,849.70-286,044.15-97,307.30

Finding the Fourth Proportional to 190,849.70, 286,044.15 and 97,307.30

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Solution

The fourth proportional to 190,849.70, 286,044.15 and 97,307.30 is: 145,843.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,849.70 : 286,044.15 = 97,307.30 : x
  2. Step 2: Convert to fraction form
    190,849.70/286,044.15 = 97,307.30/x
  3. Step 3: Cross multiply
    190,849.70x = 286,044.15 × 97,307.30
  4. Step 4: Simplify right side
    190,849.70x = 27,834,183,917.30
  5. Step 5: Solve for x
    x = 27,834,183,917.30/190,849.70
  6. Step 6: Final answer
    x = 145,843.48

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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.