Home / 252,645.86-348,642.15-139,466.18

Finding the Fourth Proportional to 252,645.86, 348,642.15 and 139,466.18

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Solution

The fourth proportional to 252,645.86, 348,642.15 and 139,466.18 is: 192,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,645.86 : 348,642.15 = 139,466.18 : x
  2. Step 2: Convert to fraction form
    252,645.86/348,642.15 = 139,466.18/x
  3. Step 3: Cross multiply
    252,645.86x = 348,642.15 × 139,466.18
  4. Step 4: Simplify right side
    252,645.86x = 48,623,788,847.49
  5. Step 5: Solve for x
    x = 48,623,788,847.49/252,645.86
  6. Step 6: Final answer
    x = 192,458.28

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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.