Home / 119,677.64-165,312.90-89,410.37

Finding the Fourth Proportional to 119,677.64, 165,312.90 and 89,410.37

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Solution

The fourth proportional to 119,677.64, 165,312.90 and 89,410.37 is: 123,504.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,677.64 : 165,312.90 = 89,410.37 : x
  2. Step 2: Convert to fraction form
    119,677.64/165,312.90 = 89,410.37/x
  3. Step 3: Cross multiply
    119,677.64x = 165,312.90 × 89,410.37
  4. Step 4: Simplify right side
    119,677.64x = 14,780,686,728.21
  5. Step 5: Solve for x
    x = 14,780,686,728.21/119,677.64
  6. Step 6: Final answer
    x = 123,504.17

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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.