Home / 186,691.42-257,628.63-106,127.74

Finding the Fourth Proportional to 186,691.42, 257,628.63 and 106,127.74

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Solution

The fourth proportional to 186,691.42, 257,628.63 and 106,127.74 is: 146,453.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,691.42 : 257,628.63 = 106,127.74 : x
  2. Step 2: Convert to fraction form
    186,691.42/257,628.63 = 106,127.74/x
  3. Step 3: Cross multiply
    186,691.42x = 257,628.63 × 106,127.74
  4. Step 4: Simplify right side
    186,691.42x = 27,341,544,261.20
  5. Step 5: Solve for x
    x = 27,341,544,261.20/186,691.42
  6. Step 6: Final answer
    x = 146,453.14

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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.