Home / 240,999.12-332,565.98-139,018.50

Finding the Fourth Proportional to 240,999.12, 332,565.98 and 139,018.50

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Solution

The fourth proportional to 240,999.12, 332,565.98 and 139,018.50 is: 191,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,999.12 : 332,565.98 = 139,018.50 : x
  2. Step 2: Convert to fraction form
    240,999.12/332,565.98 = 139,018.50/x
  3. Step 3: Cross multiply
    240,999.12x = 332,565.98 × 139,018.50
  4. Step 4: Simplify right side
    240,999.12x = 46,232,822,995.54
  5. Step 5: Solve for x
    x = 46,232,822,995.54/240,999.12
  6. Step 6: Final answer
    x = 191,838.14

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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.