Home / 186,370.17-257,201.63-140,347.42

Finding the Fourth Proportional to 186,370.17, 257,201.63 and 140,347.42

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Solution

The fourth proportional to 186,370.17, 257,201.63 and 140,347.42 is: 193,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,370.17 : 257,201.63 = 140,347.42 : x
  2. Step 2: Convert to fraction form
    186,370.17/257,201.63 = 140,347.42/x
  3. Step 3: Cross multiply
    186,370.17x = 257,201.63 × 140,347.42
  4. Step 4: Simplify right side
    186,370.17x = 36,097,584,371.86
  5. Step 5: Solve for x
    x = 36,097,584,371.86/186,370.17
  6. Step 6: Final answer
    x = 193,687.57

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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.