Home / 134,690.46-185,881.19-74,261.00

Finding the Fourth Proportional to 134,690.46, 185,881.19 and 74,261.00

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Solution

The fourth proportional to 134,690.46, 185,881.19 and 74,261.00 is: 102,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,690.46 : 185,881.19 = 74,261.00 : x
  2. Step 2: Convert to fraction form
    134,690.46/185,881.19 = 74,261.00/x
  3. Step 3: Cross multiply
    134,690.46x = 185,881.19 × 74,261.00
  4. Step 4: Simplify right side
    134,690.46x = 13,803,721,749.88
  5. Step 5: Solve for x
    x = 13,803,721,749.88/134,690.46
  6. Step 6: Final answer
    x = 102,484.78

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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.