Home / 456,218.14-684,374.04-172,147.77

Finding the Fourth Proportional to 456,218.14, 684,374.04 and 172,147.77

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Solution

The fourth proportional to 456,218.14, 684,374.04 and 172,147.77 is: 258,239.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,218.14 : 684,374.04 = 172,147.77 : x
  2. Step 2: Convert to fraction form
    456,218.14/684,374.04 = 172,147.77/x
  3. Step 3: Cross multiply
    456,218.14x = 684,374.04 × 172,147.77
  4. Step 4: Simplify right side
    456,218.14x = 117,813,464,831.89
  5. Step 5: Solve for x
    x = 117,813,464,831.89/456,218.14
  6. Step 6: Final answer
    x = 258,239.33

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1.5x scale

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.