Home / 243,610.36-365,411.50-72,832.47

Finding the Fourth Proportional to 243,610.36, 365,411.50 and 72,832.47

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Solution

The fourth proportional to 243,610.36, 365,411.50 and 72,832.47 is: 109,247.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,610.36 : 365,411.50 = 72,832.47 : x
  2. Step 2: Convert to fraction form
    243,610.36/365,411.50 = 72,832.47/x
  3. Step 3: Cross multiply
    243,610.36x = 365,411.50 × 72,832.47
  4. Step 4: Simplify right side
    243,610.36x = 26,613,822,111.41
  5. Step 5: Solve for x
    x = 26,613,822,111.41/243,610.36
  6. Step 6: Final answer
    x = 109,247.50

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1.5x scale

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.