Home / 134,795.13-186,017.90-74,365.75

Finding the Fourth Proportional to 134,795.13, 186,017.90 and 74,365.75

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Solution

The fourth proportional to 134,795.13, 186,017.90 and 74,365.75 is: 102,625.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,795.13 : 186,017.90 = 74,365.75 : x
  2. Step 2: Convert to fraction form
    134,795.13/186,017.90 = 74,365.75/x
  3. Step 3: Cross multiply
    134,795.13x = 186,017.90 × 74,365.75
  4. Step 4: Simplify right side
    134,795.13x = 13,833,360,646.93
  5. Step 5: Solve for x
    x = 13,833,360,646.93/134,795.13
  6. Step 6: Final answer
    x = 102,625.08

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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.