Home / 318,529.71-439,582.68-175,300.65

Finding the Fourth Proportional to 318,529.71, 439,582.68 and 175,300.65

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Solution

The fourth proportional to 318,529.71, 439,582.68 and 175,300.65 is: 241,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,529.71 : 439,582.68 = 175,300.65 : x
  2. Step 2: Convert to fraction form
    318,529.71/439,582.68 = 175,300.65/x
  3. Step 3: Cross multiply
    318,529.71x = 439,582.68 × 175,300.65
  4. Step 4: Simplify right side
    318,529.71x = 77,059,129,532.74
  5. Step 5: Solve for x
    x = 77,059,129,532.74/318,529.71
  6. Step 6: Final answer
    x = 241,921.33

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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.