Home / 145,590.24-200,912.40-81,923.04

Finding the Fourth Proportional to 145,590.24, 200,912.40 and 81,923.04

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Solution

The fourth proportional to 145,590.24, 200,912.40 and 81,923.04 is: 113,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,590.24 : 200,912.40 = 81,923.04 : x
  2. Step 2: Convert to fraction form
    145,590.24/200,912.40 = 81,923.04/x
  3. Step 3: Cross multiply
    145,590.24x = 200,912.40 × 81,923.04
  4. Step 4: Simplify right side
    145,590.24x = 16,459,354,581.70
  5. Step 5: Solve for x
    x = 16,459,354,581.70/145,590.24
  6. Step 6: Final answer
    x = 113,052.60

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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.