Home / 134,440.71-185,521.44-74,009.80

Finding the Fourth Proportional to 134,440.71, 185,521.44 and 74,009.80

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Solution

The fourth proportional to 134,440.71, 185,521.44 and 74,009.80 is: 102,129.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,440.71 : 185,521.44 = 74,009.80 : x
  2. Step 2: Convert to fraction form
    134,440.71/185,521.44 = 74,009.80/x
  3. Step 3: Cross multiply
    134,440.71x = 185,521.44 × 74,009.80
  4. Step 4: Simplify right side
    134,440.71x = 13,730,404,670.11
  5. Step 5: Solve for x
    x = 13,730,404,670.11/134,440.71
  6. Step 6: Final answer
    x = 102,129.81

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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.