Home / 209,135.86-288,632.34-124,253.26

Finding the Fourth Proportional to 209,135.86, 288,632.34 and 124,253.26

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Solution

The fourth proportional to 209,135.86, 288,632.34 and 124,253.26 is: 171,484.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,135.86 : 288,632.34 = 124,253.26 : x
  2. Step 2: Convert to fraction form
    209,135.86/288,632.34 = 124,253.26/x
  3. Step 3: Cross multiply
    209,135.86x = 288,632.34 × 124,253.26
  4. Step 4: Simplify right side
    209,135.86x = 35,863,509,186.43
  5. Step 5: Solve for x
    x = 35,863,509,186.43/209,135.86
  6. Step 6: Final answer
    x = 171,484.26

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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.