Home / 218,880.52-302,074.91-132,861.40

Finding the Fourth Proportional to 218,880.52, 302,074.91 and 132,861.40

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Solution

The fourth proportional to 218,880.52, 302,074.91 and 132,861.40 is: 183,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,880.52 : 302,074.91 = 132,861.40 : x
  2. Step 2: Convert to fraction form
    218,880.52/302,074.91 = 132,861.40/x
  3. Step 3: Cross multiply
    218,880.52x = 302,074.91 × 132,861.40
  4. Step 4: Simplify right side
    218,880.52x = 40,134,095,447.47
  5. Step 5: Solve for x
    x = 40,134,095,447.47/218,880.52
  6. Step 6: Final answer
    x = 183,360.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.