Home / 456,043.10-684,002.55-119,110.10

Finding the Fourth Proportional to 456,043.10, 684,002.55 and 119,110.10

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Solution

The fourth proportional to 456,043.10, 684,002.55 and 119,110.10 is: 178,648.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,043.10 : 684,002.55 = 119,110.10 : x
  2. Step 2: Convert to fraction form
    456,043.10/684,002.55 = 119,110.10/x
  3. Step 3: Cross multiply
    456,043.10x = 684,002.55 × 119,110.10
  4. Step 4: Simplify right side
    456,043.10x = 81,471,612,130.76
  5. Step 5: Solve for x
    x = 81,471,612,130.76/456,043.10
  6. Step 6: Final answer
    x = 178,648.93

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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.