Home / 315,942.42-473,977.16-116,263.86

Finding the Fourth Proportional to 315,942.42, 473,977.16 and 116,263.86

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Solution

The fourth proportional to 315,942.42, 473,977.16 and 116,263.86 is: 174,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,942.42 : 473,977.16 = 116,263.86 : x
  2. Step 2: Convert to fraction form
    315,942.42/473,977.16 = 116,263.86/x
  3. Step 3: Cross multiply
    315,942.42x = 473,977.16 × 116,263.86
  4. Step 4: Simplify right side
    315,942.42x = 55,106,413,592.12
  5. Step 5: Solve for x
    x = 55,106,413,592.12/315,942.42
  6. Step 6: Final answer
    x = 174,419.17

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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.