Home / 115,670.90-173,895.15-98,563.70

Finding the Fourth Proportional to 115,670.90, 173,895.15 and 98,563.70

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Solution

The fourth proportional to 115,670.90, 173,895.15 and 98,563.70 is: 148,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,670.90 : 173,895.15 = 98,563.70 : x
  2. Step 2: Convert to fraction form
    115,670.90/173,895.15 = 98,563.70/x
  3. Step 3: Cross multiply
    115,670.90x = 173,895.15 × 98,563.70
  4. Step 4: Simplify right side
    115,670.90x = 17,139,749,396.06
  5. Step 5: Solve for x
    x = 17,139,749,396.06/115,670.90
  6. Step 6: Final answer
    x = 148,176.85

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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.