Home / 215,158.02-296,912.78-124,501.40

Finding the Fourth Proportional to 215,158.02, 296,912.78 and 124,501.40

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Solution

The fourth proportional to 215,158.02, 296,912.78 and 124,501.40 is: 171,808.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,158.02 : 296,912.78 = 124,501.40 : x
  2. Step 2: Convert to fraction form
    215,158.02/296,912.78 = 124,501.40/x
  3. Step 3: Cross multiply
    215,158.02x = 296,912.78 × 124,501.40
  4. Step 4: Simplify right side
    215,158.02x = 36,966,056,787.89
  5. Step 5: Solve for x
    x = 36,966,056,787.89/215,158.02
  6. Step 6: Final answer
    x = 171,808.87

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1.5x scale

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.