Home / 119,218.02-164,592.99-78,966.06

Finding the Fourth Proportional to 119,218.02, 164,592.99 and 78,966.06

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Solution

The fourth proportional to 119,218.02, 164,592.99 and 78,966.06 is: 109,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,218.02 : 164,592.99 = 78,966.06 : x
  2. Step 2: Convert to fraction form
    119,218.02/164,592.99 = 78,966.06/x
  3. Step 3: Cross multiply
    119,218.02x = 164,592.99 × 78,966.06
  4. Step 4: Simplify right side
    119,218.02x = 12,997,259,923.92
  5. Step 5: Solve for x
    x = 12,997,259,923.92/119,218.02
  6. Step 6: Final answer
    x = 109,020.93

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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.