Home / 190,161.52-262,432.56-109,602.16

Finding the Fourth Proportional to 190,161.52, 262,432.56 and 109,602.16

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Solution

The fourth proportional to 190,161.52, 262,432.56 and 109,602.16 is: 151,256.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,161.52 : 262,432.56 = 109,602.16 : x
  2. Step 2: Convert to fraction form
    190,161.52/262,432.56 = 109,602.16/x
  3. Step 3: Cross multiply
    190,161.52x = 262,432.56 × 109,602.16
  4. Step 4: Simplify right side
    190,161.52x = 28,763,175,430.33
  5. Step 5: Solve for x
    x = 28,763,175,430.33/190,161.52
  6. Step 6: Final answer
    x = 151,256.55

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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.