Home / 190,157.54-262,397.49-109,569.02

Finding the Fourth Proportional to 190,157.54, 262,397.49 and 109,569.02

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Solution

The fourth proportional to 190,157.54, 262,397.49 and 109,569.02 is: 151,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,157.54 : 262,397.49 = 109,569.02 : x
  2. Step 2: Convert to fraction form
    190,157.54/262,397.49 = 109,569.02/x
  3. Step 3: Cross multiply
    190,157.54x = 262,397.49 × 109,569.02
  4. Step 4: Simplify right side
    190,157.54x = 28,750,635,829.76
  5. Step 5: Solve for x
    x = 28,750,635,829.76/190,157.54
  6. Step 6: Final answer
    x = 151,193.77

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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.