Home / 212,492.12-318,663.88-62,692.64

Finding the Fourth Proportional to 212,492.12, 318,663.88 and 62,692.64

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Solution

The fourth proportional to 212,492.12, 318,663.88 and 62,692.64 is: 94,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,492.12 : 318,663.88 = 62,692.64 : x
  2. Step 2: Convert to fraction form
    212,492.12/318,663.88 = 62,692.64/x
  3. Step 3: Cross multiply
    212,492.12x = 318,663.88 × 62,692.64
  4. Step 4: Simplify right side
    212,492.12x = 19,977,879,909.84
  5. Step 5: Solve for x
    x = 19,977,879,909.84/212,492.12
  6. Step 6: Final answer
    x = 94,017.04

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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.