Home / 302,632.40-453,948.60-115,619.60

Finding the Fourth Proportional to 302,632.40, 453,948.60 and 115,619.60

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Solution

The fourth proportional to 302,632.40, 453,948.60 and 115,619.60 is: 173,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,632.40 : 453,948.60 = 115,619.60 : x
  2. Step 2: Convert to fraction form
    302,632.40/453,948.60 = 115,619.60/x
  3. Step 3: Cross multiply
    302,632.40x = 453,948.60 × 115,619.60
  4. Step 4: Simplify right side
    302,632.40x = 52,485,355,552.56
  5. Step 5: Solve for x
    x = 52,485,355,552.56/302,632.40
  6. Step 6: Final answer
    x = 173,429.40

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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.