Home / 160,404.42-221,381.43-92,408.16

Finding the Fourth Proportional to 160,404.42, 221,381.43 and 92,408.16

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Solution

The fourth proportional to 160,404.42, 221,381.43 and 92,408.16 is: 127,536.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,404.42 : 221,381.43 = 92,408.16 : x
  2. Step 2: Convert to fraction form
    160,404.42/221,381.43 = 92,408.16/x
  3. Step 3: Cross multiply
    160,404.42x = 221,381.43 × 92,408.16
  4. Step 4: Simplify right side
    160,404.42x = 20,457,451,088.12
  5. Step 5: Solve for x
    x = 20,457,451,088.12/160,404.42
  6. Step 6: Final answer
    x = 127,536.70

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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.