Home / 292,030.20-438,048.78-114,620.76

Finding the Fourth Proportional to 292,030.20, 438,048.78 and 114,620.76

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Solution

The fourth proportional to 292,030.20, 438,048.78 and 114,620.76 is: 171,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,030.20 : 438,048.78 = 114,620.76 : x
  2. Step 2: Convert to fraction form
    292,030.20/438,048.78 = 114,620.76/x
  3. Step 3: Cross multiply
    292,030.20x = 438,048.78 × 114,620.76
  4. Step 4: Simplify right side
    292,030.20x = 50,209,484,080.67
  5. Step 5: Solve for x
    x = 50,209,484,080.67/292,030.20
  6. Step 6: Final answer
    x = 171,932.51

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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.