Home / 134,729.60-185,927.76-74,302.40

Finding the Fourth Proportional to 134,729.60, 185,927.76 and 74,302.40

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Solution

The fourth proportional to 134,729.60, 185,927.76 and 74,302.40 is: 102,537.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,729.60 : 185,927.76 = 74,302.40 : x
  2. Step 2: Convert to fraction form
    134,729.60/185,927.76 = 74,302.40/x
  3. Step 3: Cross multiply
    134,729.60x = 185,927.76 × 74,302.40
  4. Step 4: Simplify right side
    134,729.60x = 13,814,878,794.62
  5. Step 5: Solve for x
    x = 13,814,878,794.62/134,729.60
  6. Step 6: Final answer
    x = 102,537.81

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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.