Home / 177,861.71-245,455.97-101,392.85

Finding the Fourth Proportional to 177,861.71, 245,455.97 and 101,392.85

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Solution

The fourth proportional to 177,861.71, 245,455.97 and 101,392.85 is: 139,926.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,861.71 : 245,455.97 = 101,392.85 : x
  2. Step 2: Convert to fraction form
    177,861.71/245,455.97 = 101,392.85/x
  3. Step 3: Cross multiply
    177,861.71x = 245,455.97 × 101,392.85
  4. Step 4: Simplify right side
    177,861.71x = 24,887,478,613.57
  5. Step 5: Solve for x
    x = 24,887,478,613.57/177,861.71
  6. Step 6: Final answer
    x = 139,926.01

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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.