Home / 115,916.10-173,485.35-101,919.30

Finding the Fourth Proportional to 115,916.10, 173,485.35 and 101,919.30

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Solution

The fourth proportional to 115,916.10, 173,485.35 and 101,919.30 is: 152,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,916.10 : 173,485.35 = 101,919.30 : x
  2. Step 2: Convert to fraction form
    115,916.10/173,485.35 = 101,919.30/x
  3. Step 3: Cross multiply
    115,916.10x = 173,485.35 × 101,919.30
  4. Step 4: Simplify right side
    115,916.10x = 17,681,505,432.26
  5. Step 5: Solve for x
    x = 17,681,505,432.26/115,916.10
  6. Step 6: Final answer
    x = 152,537.10

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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.