Home / 119,811.64-165,338.98-66,097.10

Finding the Fourth Proportional to 119,811.64, 165,338.98 and 66,097.10

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Solution

The fourth proportional to 119,811.64, 165,338.98 and 66,097.10 is: 91,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,811.64 : 165,338.98 = 66,097.10 : x
  2. Step 2: Convert to fraction form
    119,811.64/165,338.98 = 66,097.10/x
  3. Step 3: Cross multiply
    119,811.64x = 165,338.98 × 66,097.10
  4. Step 4: Simplify right side
    119,811.64x = 10,928,427,094.96
  5. Step 5: Solve for x
    x = 10,928,427,094.96/119,811.64
  6. Step 6: Final answer
    x = 91,213.40

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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.