Home / 197,913.80-296,870.70-190,915.40

Finding the Fourth Proportional to 197,913.80, 296,870.70 and 190,915.40

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Solution

The fourth proportional to 197,913.80, 296,870.70 and 190,915.40 is: 286,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,913.80 : 296,870.70 = 190,915.40 : x
  2. Step 2: Convert to fraction form
    197,913.80/296,870.70 = 190,915.40/x
  3. Step 3: Cross multiply
    197,913.80x = 296,870.70 × 190,915.40
  4. Step 4: Simplify right side
    197,913.80x = 56,677,188,438.78
  5. Step 5: Solve for x
    x = 56,677,188,438.78/197,913.80
  6. Step 6: Final answer
    x = 286,373.10

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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.