Home / 134,823.12-186,055.76-74,393.75

Finding the Fourth Proportional to 134,823.12, 186,055.76 and 74,393.75

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Solution

The fourth proportional to 134,823.12, 186,055.76 and 74,393.75 is: 102,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,823.12 : 186,055.76 = 74,393.75 : x
  2. Step 2: Convert to fraction form
    134,823.12/186,055.76 = 74,393.75/x
  3. Step 3: Cross multiply
    134,823.12x = 186,055.76 × 74,393.75
  4. Step 4: Simplify right side
    134,823.12x = 13,841,385,695.50
  5. Step 5: Solve for x
    x = 13,841,385,695.50/134,823.12
  6. Step 6: Final answer
    x = 102,663.29

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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.