Home / 304,586.06-420,323.45-168,617.03

Finding the Fourth Proportional to 304,586.06, 420,323.45 and 168,617.03

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Solution

The fourth proportional to 304,586.06, 420,323.45 and 168,617.03 is: 232,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,586.06 : 420,323.45 = 168,617.03 : x
  2. Step 2: Convert to fraction form
    304,586.06/420,323.45 = 168,617.03/x
  3. Step 3: Cross multiply
    304,586.06x = 420,323.45 × 168,617.03
  4. Step 4: Simplify right side
    304,586.06x = 70,873,688,833.65
  5. Step 5: Solve for x
    x = 70,873,688,833.65/304,586.06
  6. Step 6: Final answer
    x = 232,688.55

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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.