Home / 187,903.06-259,316.82-111,467.40

Finding the Fourth Proportional to 187,903.06, 259,316.82 and 111,467.40

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Solution

The fourth proportional to 187,903.06, 259,316.82 and 111,467.40 is: 153,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,903.06 : 259,316.82 = 111,467.40 : x
  2. Step 2: Convert to fraction form
    187,903.06/259,316.82 = 111,467.40/x
  3. Step 3: Cross multiply
    187,903.06x = 259,316.82 × 111,467.40
  4. Step 4: Simplify right side
    187,903.06x = 28,905,371,701.67
  5. Step 5: Solve for x
    x = 28,905,371,701.67/187,903.06
  6. Step 6: Final answer
    x = 153,831.30

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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.