Home / 190,350.76-262,688.52-109,781.68

Finding the Fourth Proportional to 190,350.76, 262,688.52 and 109,781.68

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Solution

The fourth proportional to 190,350.76, 262,688.52 and 109,781.68 is: 151,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,350.76 : 262,688.52 = 109,781.68 : x
  2. Step 2: Convert to fraction form
    190,350.76/262,688.52 = 109,781.68/x
  3. Step 3: Cross multiply
    190,350.76x = 262,688.52 × 109,781.68
  4. Step 4: Simplify right side
    190,350.76x = 28,838,387,042.31
  5. Step 5: Solve for x
    x = 28,838,387,042.31/190,350.76
  6. Step 6: Final answer
    x = 151,501.30

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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.