Home / 134,079.76-185,025-74,467.60

Finding the Fourth Proportional to 134,079.76, 185,025 and 74,467.60

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Solution

The fourth proportional to 134,079.76, 185,025 and 74,467.60 is: 102,762.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,079.76 : 185,025 = 74,467.60 : x
  2. Step 2: Convert to fraction form
    134,079.76/185,025 = 74,467.60/x
  3. Step 3: Cross multiply
    134,079.76x = 185,025 × 74,467.60
  4. Step 4: Simplify right side
    134,079.76x = 13,778,367,690.00
  5. Step 5: Solve for x
    x = 13,778,367,690.00/134,079.76
  6. Step 6: Final answer
    x = 102,762.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.