Home / 389,618.10-584,305.65-153,033.30

Finding the Fourth Proportional to 389,618.10, 584,305.65 and 153,033.30

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Solution

The fourth proportional to 389,618.10, 584,305.65 and 153,033.30 is: 229,502.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,618.10 : 584,305.65 = 153,033.30 : x
  2. Step 2: Convert to fraction form
    389,618.10/584,305.65 = 153,033.30/x
  3. Step 3: Cross multiply
    389,618.10x = 584,305.65 × 153,033.30
  4. Step 4: Simplify right side
    389,618.10x = 89,418,221,828.15
  5. Step 5: Solve for x
    x = 89,418,221,828.15/389,618.10
  6. Step 6: Final answer
    x = 229,502.23

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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.