Home / 190,238.45-261,931.54-161,498.53

Finding the Fourth Proportional to 190,238.45, 261,931.54 and 161,498.53

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Solution

The fourth proportional to 190,238.45, 261,931.54 and 161,498.53 is: 222,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,238.45 : 261,931.54 = 161,498.53 : x
  2. Step 2: Convert to fraction form
    190,238.45/261,931.54 = 161,498.53/x
  3. Step 3: Cross multiply
    190,238.45x = 261,931.54 × 161,498.53
  4. Step 4: Simplify right side
    190,238.45x = 42,301,558,897.11
  5. Step 5: Solve for x
    x = 42,301,558,897.11/190,238.45
  6. Step 6: Final answer
    x = 222,360.73

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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.