Home / 186,799.96-257,784.78-101,918.80

Finding the Fourth Proportional to 186,799.96, 257,784.78 and 101,918.80

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Solution

The fourth proportional to 186,799.96, 257,784.78 and 101,918.80 is: 140,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,799.96 : 257,784.78 = 101,918.80 : x
  2. Step 2: Convert to fraction form
    186,799.96/257,784.78 = 101,918.80/x
  3. Step 3: Cross multiply
    186,799.96x = 257,784.78 × 101,918.80
  4. Step 4: Simplify right side
    186,799.96x = 26,273,115,435.86
  5. Step 5: Solve for x
    x = 26,273,115,435.86/186,799.96
  6. Step 6: Final answer
    x = 140,648.40

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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.