Home / 389,569.80-583,922.70-152,833.80

Finding the Fourth Proportional to 389,569.80, 583,922.70 and 152,833.80

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Solution

The fourth proportional to 389,569.80, 583,922.70 and 152,833.80 is: 229,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,569.80 : 583,922.70 = 152,833.80 : x
  2. Step 2: Convert to fraction form
    389,569.80/583,922.70 = 152,833.80/x
  3. Step 3: Cross multiply
    389,569.80x = 583,922.70 × 152,833.80
  4. Step 4: Simplify right side
    389,569.80x = 89,243,125,147.26
  5. Step 5: Solve for x
    x = 89,243,125,147.26/389,569.80
  6. Step 6: Final answer
    x = 229,081.22

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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.