Home / 119,009.84-164,210.64-76,562.60

Finding the Fourth Proportional to 119,009.84, 164,210.64 and 76,562.60

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Solution

The fourth proportional to 119,009.84, 164,210.64 and 76,562.60 is: 105,641.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,009.84 : 164,210.64 = 76,562.60 : x
  2. Step 2: Convert to fraction form
    119,009.84/164,210.64 = 76,562.60/x
  3. Step 3: Cross multiply
    119,009.84x = 164,210.64 × 76,562.60
  4. Step 4: Simplify right side
    119,009.84x = 12,572,393,546.06
  5. Step 5: Solve for x
    x = 12,572,393,546.06/119,009.84
  6. Step 6: Final answer
    x = 105,641.63

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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.