Home / 134,583.20-202,312.20-115,337.60

Finding the Fourth Proportional to 134,583.20, 202,312.20 and 115,337.60

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Solution

The fourth proportional to 134,583.20, 202,312.20 and 115,337.60 is: 173,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,583.20 : 202,312.20 = 115,337.60 : x
  2. Step 2: Convert to fraction form
    134,583.20/202,312.20 = 115,337.60/x
  3. Step 3: Cross multiply
    134,583.20x = 202,312.20 × 115,337.60
  4. Step 4: Simplify right side
    134,583.20x = 23,334,203,598.72
  5. Step 5: Solve for x
    x = 23,334,203,598.72/134,583.20
  6. Step 6: Final answer
    x = 173,381.25

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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.