Home / 283,728.51-391,545.89-154,668.04

Finding the Fourth Proportional to 283,728.51, 391,545.89 and 154,668.04

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Solution

The fourth proportional to 283,728.51, 391,545.89 and 154,668.04 is: 213,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,728.51 : 391,545.89 = 154,668.04 : x
  2. Step 2: Convert to fraction form
    283,728.51/391,545.89 = 154,668.04/x
  3. Step 3: Cross multiply
    283,728.51x = 391,545.89 × 154,668.04
  4. Step 4: Simplify right side
    283,728.51x = 60,559,635,376.36
  5. Step 5: Solve for x
    x = 60,559,635,376.36/283,728.51
  6. Step 6: Final answer
    x = 213,442.19

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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.