Home / 186,053.20-279,079.80-111,403.60

Finding the Fourth Proportional to 186,053.20, 279,079.80 and 111,403.60

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Solution

The fourth proportional to 186,053.20, 279,079.80 and 111,403.60 is: 167,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,053.20 : 279,079.80 = 111,403.60 : x
  2. Step 2: Convert to fraction form
    186,053.20/279,079.80 = 111,403.60/x
  3. Step 3: Cross multiply
    186,053.20x = 279,079.80 × 111,403.60
  4. Step 4: Simplify right side
    186,053.20x = 31,090,494,407.28
  5. Step 5: Solve for x
    x = 31,090,494,407.28/186,053.20
  6. Step 6: Final answer
    x = 167,105.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.