Home / 186,829.38-257,824.17-105,151.05

Finding the Fourth Proportional to 186,829.38, 257,824.17 and 105,151.05

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Solution

The fourth proportional to 186,829.38, 257,824.17 and 105,151.05 is: 145,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,829.38 : 257,824.17 = 105,151.05 : x
  2. Step 2: Convert to fraction form
    186,829.38/257,824.17 = 105,151.05/x
  3. Step 3: Cross multiply
    186,829.38x = 257,824.17 × 105,151.05
  4. Step 4: Simplify right side
    186,829.38x = 27,110,482,190.88
  5. Step 5: Solve for x
    x = 27,110,482,190.88/186,829.38
  6. Step 6: Final answer
    x = 145,108.24

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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.