Home / 389,166.57-583,701.54-104,879.36

Finding the Fourth Proportional to 389,166.57, 583,701.54 and 104,879.36

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Solution

The fourth proportional to 389,166.57, 583,701.54 and 104,879.36 is: 157,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,166.57 : 583,701.54 = 104,879.36 : x
  2. Step 2: Convert to fraction form
    389,166.57/583,701.54 = 104,879.36/x
  3. Step 3: Cross multiply
    389,166.57x = 583,701.54 × 104,879.36
  4. Step 4: Simplify right side
    389,166.57x = 61,218,243,946.21
  5. Step 5: Solve for x
    x = 61,218,243,946.21/389,166.57
  6. Step 6: Final answer
    x = 157,306.02

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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.