Home / 304,569.03-420,308.59-168,605.25

Finding the Fourth Proportional to 304,569.03, 420,308.59 and 168,605.25

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Solution

The fourth proportional to 304,569.03, 420,308.59 and 168,605.25 is: 232,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,569.03 : 420,308.59 = 168,605.25 : x
  2. Step 2: Convert to fraction form
    304,569.03/420,308.59 = 168,605.25/x
  3. Step 3: Cross multiply
    304,569.03x = 420,308.59 × 168,605.25
  4. Step 4: Simplify right side
    304,569.03x = 70,866,235,104.85
  5. Step 5: Solve for x
    x = 70,866,235,104.85/304,569.03
  6. Step 6: Final answer
    x = 232,677.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.