Home / 304,478.03-420,176.58-168,512.24

Finding the Fourth Proportional to 304,478.03, 420,176.58 and 168,512.24

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Solution

The fourth proportional to 304,478.03, 420,176.58 and 168,512.24 is: 232,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,478.03 : 420,176.58 = 168,512.24 : x
  2. Step 2: Convert to fraction form
    304,478.03/420,176.58 = 168,512.24/x
  3. Step 3: Cross multiply
    304,478.03x = 420,176.58 × 168,512.24
  4. Step 4: Simplify right side
    304,478.03x = 70,804,896,691.34
  5. Step 5: Solve for x
    x = 70,804,896,691.34/304,478.03
  6. Step 6: Final answer
    x = 232,545.17

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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.