Home / 134,784.14-186,003.48-74,356.94

Finding the Fourth Proportional to 134,784.14, 186,003.48 and 74,356.94

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Solution

The fourth proportional to 134,784.14, 186,003.48 and 74,356.94 is: 102,613.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,784.14 : 186,003.48 = 74,356.94 : x
  2. Step 2: Convert to fraction form
    134,784.14/186,003.48 = 74,356.94/x
  3. Step 3: Cross multiply
    134,784.14x = 186,003.48 × 74,356.94
  4. Step 4: Simplify right side
    134,784.14x = 13,830,649,602.15
  5. Step 5: Solve for x
    x = 13,830,649,602.15/134,784.14
  6. Step 6: Final answer
    x = 102,613.33

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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.