Home / 209,152.60-288,672.48-124,253.26

Finding the Fourth Proportional to 209,152.60, 288,672.48 and 124,253.26

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Solution

The fourth proportional to 209,152.60, 288,672.48 and 124,253.26 is: 171,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,152.60 : 288,672.48 = 124,253.26 : x
  2. Step 2: Convert to fraction form
    209,152.60/288,672.48 = 124,253.26/x
  3. Step 3: Cross multiply
    209,152.60x = 288,672.48 × 124,253.26
  4. Step 4: Simplify right side
    209,152.60x = 35,868,496,712.28
  5. Step 5: Solve for x
    x = 35,868,496,712.28/209,152.60
  6. Step 6: Final answer
    x = 171,494.39

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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.