Home / 301,055.28-451,582.98-90,693.24

Finding the Fourth Proportional to 301,055.28, 451,582.98 and 90,693.24

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Solution

The fourth proportional to 301,055.28, 451,582.98 and 90,693.24 is: 136,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,055.28 : 451,582.98 = 90,693.24 : x
  2. Step 2: Convert to fraction form
    301,055.28/451,582.98 = 90,693.24/x
  3. Step 3: Cross multiply
    301,055.28x = 451,582.98 × 90,693.24
  4. Step 4: Simplify right side
    301,055.28x = 40,955,523,585.06
  5. Step 5: Solve for x
    x = 40,955,523,585.06/301,055.28
  6. Step 6: Final answer
    x = 136,039.88

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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.