Home / 276,893.04-382,086.40-156,014.40

Finding the Fourth Proportional to 276,893.04, 382,086.40 and 156,014.40

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Solution

The fourth proportional to 276,893.04, 382,086.40 and 156,014.40 is: 215,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,893.04 : 382,086.40 = 156,014.40 : x
  2. Step 2: Convert to fraction form
    276,893.04/382,086.40 = 156,014.40/x
  3. Step 3: Cross multiply
    276,893.04x = 382,086.40 × 156,014.40
  4. Step 4: Simplify right side
    276,893.04x = 59,610,980,444.16
  5. Step 5: Solve for x
    x = 59,610,980,444.16/276,893.04
  6. Step 6: Final answer
    x = 215,285.23

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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.