Home / 190,631.61-285,747.89-64,228.18

Finding the Fourth Proportional to 190,631.61, 285,747.89 and 64,228.18

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Solution

The fourth proportional to 190,631.61, 285,747.89 and 64,228.18 is: 96,275.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,631.61 : 285,747.89 = 64,228.18 : x
  2. Step 2: Convert to fraction form
    190,631.61/285,747.89 = 64,228.18/x
  3. Step 3: Cross multiply
    190,631.61x = 285,747.89 × 64,228.18
  4. Step 4: Simplify right side
    190,631.61x = 18,353,065,878.03
  5. Step 5: Solve for x
    x = 18,353,065,878.03/190,631.61
  6. Step 6: Final answer
    x = 96,275.04

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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.