Home / 279,358.12-385,514.22-152,030.92

Finding the Fourth Proportional to 279,358.12, 385,514.22 and 152,030.92

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Solution

The fourth proportional to 279,358.12, 385,514.22 and 152,030.92 is: 209,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,358.12 : 385,514.22 = 152,030.92 : x
  2. Step 2: Convert to fraction form
    279,358.12/385,514.22 = 152,030.92/x
  3. Step 3: Cross multiply
    279,358.12x = 385,514.22 × 152,030.92
  4. Step 4: Simplify right side
    279,358.12x = 58,610,081,539.68
  5. Step 5: Solve for x
    x = 58,610,081,539.68/279,358.12
  6. Step 6: Final answer
    x = 209,802.68

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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.