Home / 302,416.08-453,556.46-89,138.48

Finding the Fourth Proportional to 302,416.08, 453,556.46 and 89,138.48

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Solution

The fourth proportional to 302,416.08, 453,556.46 and 89,138.48 is: 133,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,416.08 : 453,556.46 = 89,138.48 : x
  2. Step 2: Convert to fraction form
    302,416.08/453,556.46 = 89,138.48/x
  3. Step 3: Cross multiply
    302,416.08x = 453,556.46 × 89,138.48
  4. Step 4: Simplify right side
    302,416.08x = 40,429,331,393.64
  5. Step 5: Solve for x
    x = 40,429,331,393.64/302,416.08
  6. Step 6: Final answer
    x = 133,687.77

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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.