Home / 190,670.24-286,008.24-90,840.80

Finding the Fourth Proportional to 190,670.24, 286,008.24 and 90,840.80

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Solution

The fourth proportional to 190,670.24, 286,008.24 and 90,840.80 is: 136,262.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,670.24 : 286,008.24 = 90,840.80 : x
  2. Step 2: Convert to fraction form
    190,670.24/286,008.24 = 90,840.80/x
  3. Step 3: Cross multiply
    190,670.24x = 286,008.24 × 90,840.80
  4. Step 4: Simplify right side
    190,670.24x = 25,981,217,328.19
  5. Step 5: Solve for x
    x = 25,981,217,328.19/190,670.24
  6. Step 6: Final answer
    x = 136,262.57

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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.