Home / 386,129.19-532,267.62-271,085.10

Finding the Fourth Proportional to 386,129.19, 532,267.62 and 271,085.10

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Solution

The fourth proportional to 386,129.19, 532,267.62 and 271,085.10 is: 373,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,129.19 : 532,267.62 = 271,085.10 : x
  2. Step 2: Convert to fraction form
    386,129.19/532,267.62 = 271,085.10/x
  3. Step 3: Cross multiply
    386,129.19x = 532,267.62 × 271,085.10
  4. Step 4: Simplify right side
    386,129.19x = 144,289,820,994.46
  5. Step 5: Solve for x
    x = 144,289,820,994.46/386,129.19
  6. Step 6: Final answer
    x = 373,682.76

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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.