Home / 190,158.90-285,216.12-49,928.46

Finding the Fourth Proportional to 190,158.90, 285,216.12 and 49,928.46

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Solution

The fourth proportional to 190,158.90, 285,216.12 and 49,928.46 is: 74,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,158.90 : 285,216.12 = 49,928.46 : x
  2. Step 2: Convert to fraction form
    190,158.90/285,216.12 = 49,928.46/x
  3. Step 3: Cross multiply
    190,158.90x = 285,216.12 × 49,928.46
  4. Step 4: Simplify right side
    190,158.90x = 14,240,401,638.78
  5. Step 5: Solve for x
    x = 14,240,401,638.78/190,158.90
  6. Step 6: Final answer
    x = 74,886.85

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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.