Home / 134,727.09-185,920.80-74,303.32

Finding the Fourth Proportional to 134,727.09, 185,920.80 and 74,303.32

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Solution

The fourth proportional to 134,727.09, 185,920.80 and 74,303.32 is: 102,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,727.09 : 185,920.80 = 74,303.32 : x
  2. Step 2: Convert to fraction form
    134,727.09/185,920.80 = 74,303.32/x
  3. Step 3: Cross multiply
    134,727.09x = 185,920.80 × 74,303.32
  4. Step 4: Simplify right side
    134,727.09x = 13,814,531,953.62
  5. Step 5: Solve for x
    x = 13,814,531,953.62/134,727.09
  6. Step 6: Final answer
    x = 102,537.15

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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.