Home / 190,376.12-285,564.86-48,221.33

Finding the Fourth Proportional to 190,376.12, 285,564.86 and 48,221.33

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Solution

The fourth proportional to 190,376.12, 285,564.86 and 48,221.33 is: 72,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,376.12 : 285,564.86 = 48,221.33 : x
  2. Step 2: Convert to fraction form
    190,376.12/285,564.86 = 48,221.33/x
  3. Step 3: Cross multiply
    190,376.12x = 285,564.86 × 48,221.33
  4. Step 4: Simplify right side
    190,376.12x = 13,770,315,681.53
  5. Step 5: Solve for x
    x = 13,770,315,681.53/190,376.12
  6. Step 6: Final answer
    x = 72,332.16

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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.