Home / 191,829.80-288,047.10-113,004.20

Finding the Fourth Proportional to 191,829.80, 288,047.10 and 113,004.20

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Solution

The fourth proportional to 191,829.80, 288,047.10 and 113,004.20 is: 169,684.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,829.80 : 288,047.10 = 113,004.20 : x
  2. Step 2: Convert to fraction form
    191,829.80/288,047.10 = 113,004.20/x
  3. Step 3: Cross multiply
    191,829.80x = 288,047.10 × 113,004.20
  4. Step 4: Simplify right side
    191,829.80x = 32,550,532,097.82
  5. Step 5: Solve for x
    x = 32,550,532,097.82/191,829.80
  6. Step 6: Final answer
    x = 169,684.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.