Home / 134,670.22-185,837.40-74,240.77

Finding the Fourth Proportional to 134,670.22, 185,837.40 and 74,240.77

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Solution

The fourth proportional to 134,670.22, 185,837.40 and 74,240.77 is: 102,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,670.22 : 185,837.40 = 74,240.77 : x
  2. Step 2: Convert to fraction form
    134,670.22/185,837.40 = 74,240.77/x
  3. Step 3: Cross multiply
    134,670.22x = 185,837.40 × 74,240.77
  4. Step 4: Simplify right side
    134,670.22x = 13,796,711,670.80
  5. Step 5: Solve for x
    x = 13,796,711,670.80/134,670.22
  6. Step 6: Final answer
    x = 102,448.13

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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.