Home / 203,492.04-280,847.70-112,868.16

Finding the Fourth Proportional to 203,492.04, 280,847.70 and 112,868.16

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Solution

The fourth proportional to 203,492.04, 280,847.70 and 112,868.16 is: 155,773.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,492.04 : 280,847.70 = 112,868.16 : x
  2. Step 2: Convert to fraction form
    203,492.04/280,847.70 = 112,868.16/x
  3. Step 3: Cross multiply
    203,492.04x = 280,847.70 × 112,868.16
  4. Step 4: Simplify right side
    203,492.04x = 31,698,763,139.23
  5. Step 5: Solve for x
    x = 31,698,763,139.23/203,492.04
  6. Step 6: Final answer
    x = 155,773.97

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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.