Home / 177,384.60-266,109.30-72,214.20

Finding the Fourth Proportional to 177,384.60, 266,109.30 and 72,214.20

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Solution

The fourth proportional to 177,384.60, 266,109.30 and 72,214.20 is: 108,334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,384.60 : 266,109.30 = 72,214.20 : x
  2. Step 2: Convert to fraction form
    177,384.60/266,109.30 = 72,214.20/x
  3. Step 3: Cross multiply
    177,384.60x = 266,109.30 × 72,214.20
  4. Step 4: Simplify right side
    177,384.60x = 19,216,870,212.06
  5. Step 5: Solve for x
    x = 19,216,870,212.06/177,384.60
  6. Step 6: Final answer
    x = 108,334.49

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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.