Home / 135,277.10-202,915.65-61,405.10

Finding the Fourth Proportional to 135,277.10, 202,915.65 and 61,405.10

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Solution

The fourth proportional to 135,277.10, 202,915.65 and 61,405.10 is: 92,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,277.10 : 202,915.65 = 61,405.10 : x
  2. Step 2: Convert to fraction form
    135,277.10/202,915.65 = 61,405.10/x
  3. Step 3: Cross multiply
    135,277.10x = 202,915.65 × 61,405.10
  4. Step 4: Simplify right side
    135,277.10x = 12,460,055,779.82
  5. Step 5: Solve for x
    x = 12,460,055,779.82/135,277.10
  6. Step 6: Final answer
    x = 92,107.65

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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.