Home / 186,478.09-257,344.77-101,600.62

Finding the Fourth Proportional to 186,478.09, 257,344.77 and 101,600.62

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Solution

The fourth proportional to 186,478.09, 257,344.77 and 101,600.62 is: 140,211.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,478.09 : 257,344.77 = 101,600.62 : x
  2. Step 2: Convert to fraction form
    186,478.09/257,344.77 = 101,600.62/x
  3. Step 3: Cross multiply
    186,478.09x = 257,344.77 × 101,600.62
  4. Step 4: Simplify right side
    186,478.09x = 26,146,388,185.76
  5. Step 5: Solve for x
    x = 26,146,388,185.76/186,478.09
  6. Step 6: Final answer
    x = 140,211.58

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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.