Home / 186,920.34-257,919.66-110,428.80

Finding the Fourth Proportional to 186,920.34, 257,919.66 and 110,428.80

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Solution

The fourth proportional to 186,920.34, 257,919.66 and 110,428.80 is: 152,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,920.34 : 257,919.66 = 110,428.80 : x
  2. Step 2: Convert to fraction form
    186,920.34/257,919.66 = 110,428.80/x
  3. Step 3: Cross multiply
    186,920.34x = 257,919.66 × 110,428.80
  4. Step 4: Simplify right side
    186,920.34x = 28,481,758,550.21
  5. Step 5: Solve for x
    x = 28,481,758,550.21/186,920.34
  6. Step 6: Final answer
    x = 152,373.78

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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.