Home / 134,597.50-185,748.39-74,985.34

Finding the Fourth Proportional to 134,597.50, 185,748.39 and 74,985.34

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Solution

The fourth proportional to 134,597.50, 185,748.39 and 74,985.34 is: 103,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,597.50 : 185,748.39 = 74,985.34 : x
  2. Step 2: Convert to fraction form
    134,597.50/185,748.39 = 74,985.34/x
  3. Step 3: Cross multiply
    134,597.50x = 185,748.39 × 74,985.34
  4. Step 4: Simplify right side
    134,597.50x = 13,928,406,178.60
  5. Step 5: Solve for x
    x = 13,928,406,178.60/134,597.50
  6. Step 6: Final answer
    x = 103,481.91

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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.