Home / 134,103.08-185,099.49-76,774.52

Finding the Fourth Proportional to 134,103.08, 185,099.49 and 76,774.52

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Solution

The fourth proportional to 134,103.08, 185,099.49 and 76,774.52 is: 105,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,103.08 : 185,099.49 = 76,774.52 : x
  2. Step 2: Convert to fraction form
    134,103.08/185,099.49 = 76,774.52/x
  3. Step 3: Cross multiply
    134,103.08x = 185,099.49 × 76,774.52
  4. Step 4: Simplify right side
    134,103.08x = 14,210,924,496.99
  5. Step 5: Solve for x
    x = 14,210,924,496.99/134,103.08
  6. Step 6: Final answer
    x = 105,970.16

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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.