Home / 106,316.55-159,310.80-92,210.40

Finding the Fourth Proportional to 106,316.55, 159,310.80 and 92,210.40

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Solution

The fourth proportional to 106,316.55, 159,310.80 and 92,210.40 is: 138,173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,316.55 : 159,310.80 = 92,210.40 : x
  2. Step 2: Convert to fraction form
    106,316.55/159,310.80 = 92,210.40/x
  3. Step 3: Cross multiply
    106,316.55x = 159,310.80 × 92,210.40
  4. Step 4: Simplify right side
    106,316.55x = 14,690,112,592.32
  5. Step 5: Solve for x
    x = 14,690,112,592.32/106,316.55
  6. Step 6: Final answer
    x = 138,173.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.