Home / 190,422.18-285,657.84-64,007.91

Finding the Fourth Proportional to 190,422.18, 285,657.84 and 64,007.91

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Solution

The fourth proportional to 190,422.18, 285,657.84 and 64,007.91 is: 96,020.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,422.18 : 285,657.84 = 64,007.91 : x
  2. Step 2: Convert to fraction form
    190,422.18/285,657.84 = 64,007.91/x
  3. Step 3: Cross multiply
    190,422.18x = 285,657.84 × 64,007.91
  4. Step 4: Simplify right side
    190,422.18x = 18,284,361,313.51
  5. Step 5: Solve for x
    x = 18,284,361,313.51/190,422.18
  6. Step 6: Final answer
    x = 96,020.12

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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.