Home / 190,653.50-285,981.87-48,498.89

Finding the Fourth Proportional to 190,653.50, 285,981.87 and 48,498.89

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Solution

The fourth proportional to 190,653.50, 285,981.87 and 48,498.89 is: 72,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,653.50 : 285,981.87 = 48,498.89 : x
  2. Step 2: Convert to fraction form
    190,653.50/285,981.87 = 48,498.89/x
  3. Step 3: Cross multiply
    190,653.50x = 285,981.87 × 48,498.89
  4. Step 4: Simplify right side
    190,653.50x = 13,869,804,091.33
  5. Step 5: Solve for x
    x = 13,869,804,091.33/190,653.50
  6. Step 6: Final answer
    x = 72,748.75

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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.