Home / 366,534.89-549,629.79-142,000.46

Finding the Fourth Proportional to 366,534.89, 549,629.79 and 142,000.46

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Solution

The fourth proportional to 366,534.89, 549,629.79 and 142,000.46 is: 212,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,534.89 : 549,629.79 = 142,000.46 : x
  2. Step 2: Convert to fraction form
    366,534.89/549,629.79 = 142,000.46/x
  3. Step 3: Cross multiply
    366,534.89x = 549,629.79 × 142,000.46
  4. Step 4: Simplify right side
    366,534.89x = 78,047,680,261.55
  5. Step 5: Solve for x
    x = 78,047,680,261.55/366,534.89
  6. Step 6: Final answer
    x = 212,933.84

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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.