Home / 190,068.35-285,165.86-63,721.08

Finding the Fourth Proportional to 190,068.35, 285,165.86 and 63,721.08

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Solution

The fourth proportional to 190,068.35, 285,165.86 and 63,721.08 is: 95,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,068.35 : 285,165.86 = 63,721.08 : x
  2. Step 2: Convert to fraction form
    190,068.35/285,165.86 = 63,721.08/x
  3. Step 3: Cross multiply
    190,068.35x = 285,165.86 × 63,721.08
  4. Step 4: Simplify right side
    190,068.35x = 18,171,076,259.72
  5. Step 5: Solve for x
    x = 18,171,076,259.72/190,068.35
  6. Step 6: Final answer
    x = 95,602.85

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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.