Home / 190,541.17-285,922.44-85,360.14

Finding the Fourth Proportional to 190,541.17, 285,922.44 and 85,360.14

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Solution

The fourth proportional to 190,541.17, 285,922.44 and 85,360.14 is: 128,089.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,541.17 : 285,922.44 = 85,360.14 : x
  2. Step 2: Convert to fraction form
    190,541.17/285,922.44 = 85,360.14/x
  3. Step 3: Cross multiply
    190,541.17x = 285,922.44 × 85,360.14
  4. Step 4: Simplify right side
    190,541.17x = 24,406,377,651.13
  5. Step 5: Solve for x
    x = 24,406,377,651.13/190,541.17
  6. Step 6: Final answer
    x = 128,089.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.