Home / 141,314.34-194,818.93-112,731.02

Finding the Fourth Proportional to 141,314.34, 194,818.93 and 112,731.02

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Solution

The fourth proportional to 141,314.34, 194,818.93 and 112,731.02 is: 155,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,314.34 : 194,818.93 = 112,731.02 : x
  2. Step 2: Convert to fraction form
    141,314.34/194,818.93 = 112,731.02/x
  3. Step 3: Cross multiply
    141,314.34x = 194,818.93 × 112,731.02
  4. Step 4: Simplify right side
    141,314.34x = 21,962,135,438.29
  5. Step 5: Solve for x
    x = 21,962,135,438.29/141,314.34
  6. Step 6: Final answer
    x = 155,413.35

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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.