Home / 208,924.27-288,315.48-113,430.97

Finding the Fourth Proportional to 208,924.27, 288,315.48 and 113,430.97

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Solution

The fourth proportional to 208,924.27, 288,315.48 and 113,430.97 is: 156,534.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,924.27 : 288,315.48 = 113,430.97 : x
  2. Step 2: Convert to fraction form
    208,924.27/288,315.48 = 113,430.97/x
  3. Step 3: Cross multiply
    208,924.27x = 288,315.48 × 113,430.97
  4. Step 4: Simplify right side
    208,924.27x = 32,703,905,348.18
  5. Step 5: Solve for x
    x = 32,703,905,348.18/208,924.27
  6. Step 6: Final answer
    x = 156,534.74

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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.