Home / 190,147.08-285,263.88-101,353.80

Finding the Fourth Proportional to 190,147.08, 285,263.88 and 101,353.80

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Solution

The fourth proportional to 190,147.08, 285,263.88 and 101,353.80 is: 152,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,147.08 : 285,263.88 = 101,353.80 : x
  2. Step 2: Convert to fraction form
    190,147.08/285,263.88 = 101,353.80/x
  3. Step 3: Cross multiply
    190,147.08x = 285,263.88 × 101,353.80
  4. Step 4: Simplify right side
    190,147.08x = 28,912,578,240.74
  5. Step 5: Solve for x
    x = 28,912,578,240.74/190,147.08
  6. Step 6: Final answer
    x = 152,053.76

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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.