Home / 158,805.08-219,161.64-104,997.58

Finding the Fourth Proportional to 158,805.08, 219,161.64 and 104,997.58

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Solution

The fourth proportional to 158,805.08, 219,161.64 and 104,997.58 is: 144,903.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,805.08 : 219,161.64 = 104,997.58 : x
  2. Step 2: Convert to fraction form
    158,805.08/219,161.64 = 104,997.58/x
  3. Step 3: Cross multiply
    158,805.08x = 219,161.64 × 104,997.58
  4. Step 4: Simplify right side
    158,805.08x = 23,011,441,828.83
  5. Step 5: Solve for x
    x = 23,011,441,828.83/158,805.08
  6. Step 6: Final answer
    x = 144,903.69

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1.5x scale

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.