Home / 199,264.47-298,831.71-66,108.98

Finding the Fourth Proportional to 199,264.47, 298,831.71 and 66,108.98

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Solution

The fourth proportional to 199,264.47, 298,831.71 and 66,108.98 is: 99,141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,264.47 : 298,831.71 = 66,108.98 : x
  2. Step 2: Convert to fraction form
    199,264.47/298,831.71 = 66,108.98/x
  3. Step 3: Cross multiply
    199,264.47x = 298,831.71 × 66,108.98
  4. Step 4: Simplify right side
    199,264.47x = 19,755,459,539.76
  5. Step 5: Solve for x
    x = 19,755,459,539.76/199,264.47
  6. Step 6: Final answer
    x = 99,141.91

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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.