Home / 190,118.91-285,079.95-101,348.58

Finding the Fourth Proportional to 190,118.91, 285,079.95 and 101,348.58

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Solution

The fourth proportional to 190,118.91, 285,079.95 and 101,348.58 is: 151,970.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,118.91 : 285,079.95 = 101,348.58 : x
  2. Step 2: Convert to fraction form
    190,118.91/285,079.95 = 101,348.58/x
  3. Step 3: Cross multiply
    190,118.91x = 285,079.95 × 101,348.58
  4. Step 4: Simplify right side
    190,118.91x = 28,892,448,118.97
  5. Step 5: Solve for x
    x = 28,892,448,118.97/190,118.91
  6. Step 6: Final answer
    x = 151,970.41

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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.