Home / 276,991.04-382,236.54-156,157.40

Finding the Fourth Proportional to 276,991.04, 382,236.54 and 156,157.40

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Solution

The fourth proportional to 276,991.04, 382,236.54 and 156,157.40 is: 215,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,991.04 : 382,236.54 = 156,157.40 : x
  2. Step 2: Convert to fraction form
    276,991.04/382,236.54 = 156,157.40/x
  3. Step 3: Cross multiply
    276,991.04x = 382,236.54 × 156,157.40
  4. Step 4: Simplify right side
    276,991.04x = 59,689,064,271.40
  5. Step 5: Solve for x
    x = 59,689,064,271.40/276,991.04
  6. Step 6: Final answer
    x = 215,490.96

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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.