Home / 401,582.68-602,248.22-145,382.92

Finding the Fourth Proportional to 401,582.68, 602,248.22 and 145,382.92

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Solution

The fourth proportional to 401,582.68, 602,248.22 and 145,382.92 is: 218,028.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,582.68 : 602,248.22 = 145,382.92 : x
  2. Step 2: Convert to fraction form
    401,582.68/602,248.22 = 145,382.92/x
  3. Step 3: Cross multiply
    401,582.68x = 602,248.22 × 145,382.92
  4. Step 4: Simplify right side
    401,582.68x = 87,556,604,788.40
  5. Step 5: Solve for x
    x = 87,556,604,788.40/401,582.68
  6. Step 6: Final answer
    x = 218,028.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.