Home / 201,931.02-278,501.22-177,679.62

Finding the Fourth Proportional to 201,931.02, 278,501.22 and 177,679.62

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Solution

The fourth proportional to 201,931.02, 278,501.22 and 177,679.62 is: 245,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,931.02 : 278,501.22 = 177,679.62 : x
  2. Step 2: Convert to fraction form
    201,931.02/278,501.22 = 177,679.62/x
  3. Step 3: Cross multiply
    201,931.02x = 278,501.22 × 177,679.62
  4. Step 4: Simplify right side
    201,931.02x = 49,483,990,939.14
  5. Step 5: Solve for x
    x = 49,483,990,939.14/201,931.02
  6. Step 6: Final answer
    x = 245,053.93

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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.