Home / 141,345.36-194,991.57-86,848.07

Finding the Fourth Proportional to 141,345.36, 194,991.57 and 86,848.07

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Solution

The fourth proportional to 141,345.36, 194,991.57 and 86,848.07 is: 119,810.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,345.36 : 194,991.57 = 86,848.07 : x
  2. Step 2: Convert to fraction form
    141,345.36/194,991.57 = 86,848.07/x
  3. Step 3: Cross multiply
    141,345.36x = 194,991.57 × 86,848.07
  4. Step 4: Simplify right side
    141,345.36x = 16,934,640,545.81
  5. Step 5: Solve for x
    x = 16,934,640,545.81/141,345.36
  6. Step 6: Final answer
    x = 119,810.37

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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.