Home / 190,117.76-262,298.24-109,543.20

Finding the Fourth Proportional to 190,117.76, 262,298.24 and 109,543.20

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Solution

The fourth proportional to 190,117.76, 262,298.24 and 109,543.20 is: 151,132.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,117.76 : 262,298.24 = 109,543.20 : x
  2. Step 2: Convert to fraction form
    190,117.76/262,298.24 = 109,543.20/x
  3. Step 3: Cross multiply
    190,117.76x = 262,298.24 × 109,543.20
  4. Step 4: Simplify right side
    190,117.76x = 28,732,988,563.97
  5. Step 5: Solve for x
    x = 28,732,988,563.97/190,117.76
  6. Step 6: Final answer
    x = 151,132.59

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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.