Home / 190,835.76-285,935.08-84,060.64

Finding the Fourth Proportional to 190,835.76, 285,935.08 and 84,060.64

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Solution

The fourth proportional to 190,835.76, 285,935.08 and 84,060.64 is: 125,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,835.76 : 285,935.08 = 84,060.64 : x
  2. Step 2: Convert to fraction form
    190,835.76/285,935.08 = 84,060.64/x
  3. Step 3: Cross multiply
    190,835.76x = 285,935.08 × 84,060.64
  4. Step 4: Simplify right side
    190,835.76x = 24,035,885,823.25
  5. Step 5: Solve for x
    x = 24,035,885,823.25/190,835.76
  6. Step 6: Final answer
    x = 125,950.64

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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.