Home / 175,071.20-262,606.80-156,044.30

Finding the Fourth Proportional to 175,071.20, 262,606.80 and 156,044.30

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Solution

The fourth proportional to 175,071.20, 262,606.80 and 156,044.30 is: 234,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,071.20 : 262,606.80 = 156,044.30 : x
  2. Step 2: Convert to fraction form
    175,071.20/262,606.80 = 156,044.30/x
  3. Step 3: Cross multiply
    175,071.20x = 262,606.80 × 156,044.30
  4. Step 4: Simplify right side
    175,071.20x = 40,978,294,281.24
  5. Step 5: Solve for x
    x = 40,978,294,281.24/175,071.20
  6. Step 6: Final answer
    x = 234,066.45

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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.