Home / 134,543.54-185,661.72-74,110.79

Finding the Fourth Proportional to 134,543.54, 185,661.72 and 74,110.79

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Solution

The fourth proportional to 134,543.54, 185,661.72 and 74,110.79 is: 102,268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,543.54 : 185,661.72 = 74,110.79 : x
  2. Step 2: Convert to fraction form
    134,543.54/185,661.72 = 74,110.79/x
  3. Step 3: Cross multiply
    134,543.54x = 185,661.72 × 74,110.79
  4. Step 4: Simplify right side
    134,543.54x = 13,759,537,206.11
  5. Step 5: Solve for x
    x = 13,759,537,206.11/134,543.54
  6. Step 6: Final answer
    x = 102,268.28

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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.