Home / 114,812.47-172,218.28-30,572.64

Finding the Fourth Proportional to 114,812.47, 172,218.28 and 30,572.64

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Solution

The fourth proportional to 114,812.47, 172,218.28 and 30,572.64 is: 45,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,812.47 : 172,218.28 = 30,572.64 : x
  2. Step 2: Convert to fraction form
    114,812.47/172,218.28 = 30,572.64/x
  3. Step 3: Cross multiply
    114,812.47x = 172,218.28 × 30,572.64
  4. Step 4: Simplify right side
    114,812.47x = 5,265,167,475.86
  5. Step 5: Solve for x
    x = 5,265,167,475.86/114,812.47
  6. Step 6: Final answer
    x = 45,858.85

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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.