Home / 190,343.61-262,663.50-104,286.36

Finding the Fourth Proportional to 190,343.61, 262,663.50 and 104,286.36

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Solution

The fourth proportional to 190,343.61, 262,663.50 and 104,286.36 is: 143,909.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,343.61 : 262,663.50 = 104,286.36 : x
  2. Step 2: Convert to fraction form
    190,343.61/262,663.50 = 104,286.36/x
  3. Step 3: Cross multiply
    190,343.61x = 262,663.50 × 104,286.36
  4. Step 4: Simplify right side
    190,343.61x = 27,392,220,319.86
  5. Step 5: Solve for x
    x = 27,392,220,319.86/190,343.61
  6. Step 6: Final answer
    x = 143,909.32

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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.