Home / 190,956.24-286,434.72-66,297.60

Finding the Fourth Proportional to 190,956.24, 286,434.72 and 66,297.60

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Solution

The fourth proportional to 190,956.24, 286,434.72 and 66,297.60 is: 99,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,956.24 : 286,434.72 = 66,297.60 : x
  2. Step 2: Convert to fraction form
    190,956.24/286,434.72 = 66,297.60/x
  3. Step 3: Cross multiply
    190,956.24x = 286,434.72 × 66,297.60
  4. Step 4: Simplify right side
    190,956.24x = 18,989,934,492.67
  5. Step 5: Solve for x
    x = 18,989,934,492.67/190,956.24
  6. Step 6: Final answer
    x = 99,446.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.