Home / 187,098.06-280,518.99-67,152.35

Finding the Fourth Proportional to 187,098.06, 280,518.99 and 67,152.35

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Solution

The fourth proportional to 187,098.06, 280,518.99 and 67,152.35 is: 100,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,098.06 : 280,518.99 = 67,152.35 : x
  2. Step 2: Convert to fraction form
    187,098.06/280,518.99 = 67,152.35/x
  3. Step 3: Cross multiply
    187,098.06x = 280,518.99 × 67,152.35
  4. Step 4: Simplify right side
    187,098.06x = 18,837,509,649.95
  5. Step 5: Solve for x
    x = 18,837,509,649.95/187,098.06
  6. Step 6: Final answer
    x = 100,682.55

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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.