Home / 134,718.68-185,913.08-74,291.46

Finding the Fourth Proportional to 134,718.68, 185,913.08 and 74,291.46

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Solution

The fourth proportional to 134,718.68, 185,913.08 and 74,291.46 is: 102,522.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,718.68 : 185,913.08 = 74,291.46 : x
  2. Step 2: Convert to fraction form
    134,718.68/185,913.08 = 74,291.46/x
  3. Step 3: Cross multiply
    134,718.68x = 185,913.08 × 74,291.46
  4. Step 4: Simplify right side
    134,718.68x = 13,811,753,774.84
  5. Step 5: Solve for x
    x = 13,811,753,774.84/134,718.68
  6. Step 6: Final answer
    x = 102,522.93

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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.