Home / 134,823.62-186,056.45-74,394.25

Finding the Fourth Proportional to 134,823.62, 186,056.45 and 74,394.25

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Solution

The fourth proportional to 134,823.62, 186,056.45 and 74,394.25 is: 102,663.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,823.62 : 186,056.45 = 74,394.25 : x
  2. Step 2: Convert to fraction form
    134,823.62/186,056.45 = 74,394.25/x
  3. Step 3: Cross multiply
    134,823.62x = 186,056.45 × 74,394.25
  4. Step 4: Simplify right side
    134,823.62x = 13,841,529,125.13
  5. Step 5: Solve for x
    x = 13,841,529,125.13/134,823.62
  6. Step 6: Final answer
    x = 102,663.98

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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.