Home / 214,656.80-321,988.08-64,898.24

Finding the Fourth Proportional to 214,656.80, 321,988.08 and 64,898.24

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Solution

The fourth proportional to 214,656.80, 321,988.08 and 64,898.24 is: 97,348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,656.80 : 321,988.08 = 64,898.24 : x
  2. Step 2: Convert to fraction form
    214,656.80/321,988.08 = 64,898.24/x
  3. Step 3: Cross multiply
    214,656.80x = 321,988.08 × 64,898.24
  4. Step 4: Simplify right side
    214,656.80x = 20,896,459,692.98
  5. Step 5: Solve for x
    x = 20,896,459,692.98/214,656.80
  6. Step 6: Final answer
    x = 97,348.23

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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.