Home / 212,543.06-318,856.63-60,741.50

Finding the Fourth Proportional to 212,543.06, 318,856.63 and 60,741.50

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Solution

The fourth proportional to 212,543.06, 318,856.63 and 60,741.50 is: 91,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,543.06 : 318,856.63 = 60,741.50 : x
  2. Step 2: Convert to fraction form
    212,543.06/318,856.63 = 60,741.50/x
  3. Step 3: Cross multiply
    212,543.06x = 318,856.63 × 60,741.50
  4. Step 4: Simplify right side
    212,543.06x = 19,367,829,991.15
  5. Step 5: Solve for x
    x = 19,367,829,991.15/212,543.06
  6. Step 6: Final answer
    x = 91,124.26

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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.