Home / 131,730.17-197,594.96-101,787.95

Finding the Fourth Proportional to 131,730.17, 197,594.96 and 101,787.95

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Solution

The fourth proportional to 131,730.17, 197,594.96 and 101,787.95 is: 152,681.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,730.17 : 197,594.96 = 101,787.95 : x
  2. Step 2: Convert to fraction form
    131,730.17/197,594.96 = 101,787.95/x
  3. Step 3: Cross multiply
    131,730.17x = 197,594.96 × 101,787.95
  4. Step 4: Simplify right side
    131,730.17x = 20,112,784,411.82
  5. Step 5: Solve for x
    x = 20,112,784,411.82/131,730.17
  6. Step 6: Final answer
    x = 152,681.69

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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.