Home / 356,541.50-534,443.70-119,804.42

Finding the Fourth Proportional to 356,541.50, 534,443.70 and 119,804.42

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Solution

The fourth proportional to 356,541.50, 534,443.70 and 119,804.42 is: 179,582.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,541.50 : 534,443.70 = 119,804.42 : x
  2. Step 2: Convert to fraction form
    356,541.50/534,443.70 = 119,804.42/x
  3. Step 3: Cross multiply
    356,541.50x = 534,443.70 × 119,804.42
  4. Step 4: Simplify right side
    356,541.50x = 64,028,717,501.15
  5. Step 5: Solve for x
    x = 64,028,717,501.15/356,541.50
  6. Step 6: Final answer
    x = 179,582.79

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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.