Home / 288,045.36-397,508.04-167,196.60

Finding the Fourth Proportional to 288,045.36, 397,508.04 and 167,196.60

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Solution

The fourth proportional to 288,045.36, 397,508.04 and 167,196.60 is: 230,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,045.36 : 397,508.04 = 167,196.60 : x
  2. Step 2: Convert to fraction form
    288,045.36/397,508.04 = 167,196.60/x
  3. Step 3: Cross multiply
    288,045.36x = 397,508.04 × 167,196.60
  4. Step 4: Simplify right side
    288,045.36x = 66,461,992,760.66
  5. Step 5: Solve for x
    x = 66,461,992,760.66/288,045.36
  6. Step 6: Final answer
    x = 230,734.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.