Home / 198,981.19-274,580.18-112,941.93

Finding the Fourth Proportional to 198,981.19, 274,580.18 and 112,941.93

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Solution

The fourth proportional to 198,981.19, 274,580.18 and 112,941.93 is: 155,852.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,981.19 : 274,580.18 = 112,941.93 : x
  2. Step 2: Convert to fraction form
    198,981.19/274,580.18 = 112,941.93/x
  3. Step 3: Cross multiply
    198,981.19x = 274,580.18 × 112,941.93
  4. Step 4: Simplify right side
    198,981.19x = 31,011,615,468.95
  5. Step 5: Solve for x
    x = 31,011,615,468.95/198,981.19
  6. Step 6: Final answer
    x = 155,852.00

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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.