Home / 126,516-174,592.08-76,225.44

Finding the Fourth Proportional to 126,516, 174,592.08 and 76,225.44

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Solution

The fourth proportional to 126,516, 174,592.08 and 76,225.44 is: 105,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,516 : 174,592.08 = 76,225.44 : x
  2. Step 2: Convert to fraction form
    126,516/174,592.08 = 76,225.44/x
  3. Step 3: Cross multiply
    126,516x = 174,592.08 × 76,225.44
  4. Step 4: Simplify right side
    126,516x = 13,308,358,118.52
  5. Step 5: Solve for x
    x = 13,308,358,118.52/126,516
  6. Step 6: Final answer
    x = 105,191.11

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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.