Home / 348,831.30-522,080.55-243,855.30

Finding the Fourth Proportional to 348,831.30, 522,080.55 and 243,855.30

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Solution

The fourth proportional to 348,831.30, 522,080.55 and 243,855.30 is: 364,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,831.30 : 522,080.55 = 243,855.30 : x
  2. Step 2: Convert to fraction form
    348,831.30/522,080.55 = 243,855.30/x
  3. Step 3: Cross multiply
    348,831.30x = 522,080.55 × 243,855.30
  4. Step 4: Simplify right side
    348,831.30x = 127,312,109,144.42
  5. Step 5: Solve for x
    x = 127,312,109,144.42/348,831.30
  6. Step 6: Final answer
    x = 364,967.56

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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.