Home / 285,204.65-393,587.71-164,325.51

Finding the Fourth Proportional to 285,204.65, 393,587.71 and 164,325.51

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Solution

The fourth proportional to 285,204.65, 393,587.71 and 164,325.51 is: 226,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,204.65 : 393,587.71 = 164,325.51 : x
  2. Step 2: Convert to fraction form
    285,204.65/393,587.71 = 164,325.51/x
  3. Step 3: Cross multiply
    285,204.65x = 393,587.71 × 164,325.51
  4. Step 4: Simplify right side
    285,204.65x = 64,676,500,764.67
  5. Step 5: Solve for x
    x = 64,676,500,764.67/285,204.65
  6. Step 6: Final answer
    x = 226,772.26

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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.