Home / 110,297.61-152,221.95-64,989.72

Finding the Fourth Proportional to 110,297.61, 152,221.95 and 64,989.72

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Solution

The fourth proportional to 110,297.61, 152,221.95 and 64,989.72 is: 89,692.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,297.61 : 152,221.95 = 64,989.72 : x
  2. Step 2: Convert to fraction form
    110,297.61/152,221.95 = 64,989.72/x
  3. Step 3: Cross multiply
    110,297.61x = 152,221.95 × 64,989.72
  4. Step 4: Simplify right side
    110,297.61x = 9,892,861,908.35
  5. Step 5: Solve for x
    x = 9,892,861,908.35/110,297.61
  6. Step 6: Final answer
    x = 89,692.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.