Home / 212,526.32-318,374.76-165,559.28

Finding the Fourth Proportional to 212,526.32, 318,374.76 and 165,559.28

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Solution

The fourth proportional to 212,526.32, 318,374.76 and 165,559.28 is: 248,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,526.32 : 318,374.76 = 165,559.28 : x
  2. Step 2: Convert to fraction form
    212,526.32/318,374.76 = 165,559.28/x
  3. Step 3: Cross multiply
    212,526.32x = 318,374.76 × 165,559.28
  4. Step 4: Simplify right side
    212,526.32x = 52,709,896,035.77
  5. Step 5: Solve for x
    x = 52,709,896,035.77/212,526.32
  6. Step 6: Final answer
    x = 248,015.85

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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.