Home / 176,688.24-243,920.10-136,311.36

Finding the Fourth Proportional to 176,688.24, 243,920.10 and 136,311.36

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Solution

The fourth proportional to 176,688.24, 243,920.10 and 136,311.36 is: 188,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,688.24 : 243,920.10 = 136,311.36 : x
  2. Step 2: Convert to fraction form
    176,688.24/243,920.10 = 136,311.36/x
  3. Step 3: Cross multiply
    176,688.24x = 243,920.10 × 136,311.36
  4. Step 4: Simplify right side
    176,688.24x = 33,249,080,562.34
  5. Step 5: Solve for x
    x = 33,249,080,562.34/176,688.24
  6. Step 6: Final answer
    x = 188,179.36

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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.