Home / 366,536.63-549,632.40-142,002.20

Finding the Fourth Proportional to 366,536.63, 549,632.40 and 142,002.20

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Solution

The fourth proportional to 366,536.63, 549,632.40 and 142,002.20 is: 212,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,536.63 : 549,632.40 = 142,002.20 : x
  2. Step 2: Convert to fraction form
    366,536.63/549,632.40 = 142,002.20/x
  3. Step 3: Cross multiply
    366,536.63x = 549,632.40 × 142,002.20
  4. Step 4: Simplify right side
    366,536.63x = 78,049,007,243.12
  5. Step 5: Solve for x
    x = 78,049,007,243.12/366,536.63
  6. Step 6: Final answer
    x = 212,936.45

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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.