Home / 209,172.03-288,558.80-151,685.24

Finding the Fourth Proportional to 209,172.03, 288,558.80 and 151,685.24

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Solution

The fourth proportional to 209,172.03, 288,558.80 and 151,685.24 is: 209,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,172.03 : 288,558.80 = 151,685.24 : x
  2. Step 2: Convert to fraction form
    209,172.03/288,558.80 = 151,685.24/x
  3. Step 3: Cross multiply
    209,172.03x = 288,558.80 × 151,685.24
  4. Step 4: Simplify right side
    209,172.03x = 43,770,110,370.92
  5. Step 5: Solve for x
    x = 43,770,110,370.92/209,172.03
  6. Step 6: Final answer
    x = 209,254.13

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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.