Home / 190,954.76-285,995.80-91,184.83

Finding the Fourth Proportional to 190,954.76, 285,995.80 and 91,184.83

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Solution

The fourth proportional to 190,954.76, 285,995.80 and 91,184.83 is: 136,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,954.76 : 285,995.80 = 91,184.83 : x
  2. Step 2: Convert to fraction form
    190,954.76/285,995.80 = 91,184.83/x
  3. Step 3: Cross multiply
    190,954.76x = 285,995.80 × 91,184.83
  4. Step 4: Simplify right side
    190,954.76x = 26,078,478,875.19
  5. Step 5: Solve for x
    x = 26,078,478,875.19/190,954.76
  6. Step 6: Final answer
    x = 136,568.89

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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.