Home / 190,899.40-286,276.14-62,785.88

Finding the Fourth Proportional to 190,899.40, 286,276.14 and 62,785.88

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Solution

The fourth proportional to 190,899.40, 286,276.14 and 62,785.88 is: 94,154.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,899.40 : 286,276.14 = 62,785.88 : x
  2. Step 2: Convert to fraction form
    190,899.40/286,276.14 = 62,785.88/x
  3. Step 3: Cross multiply
    190,899.40x = 286,276.14 × 62,785.88
  4. Step 4: Simplify right side
    190,899.40x = 17,974,099,372.90
  5. Step 5: Solve for x
    x = 17,974,099,372.90/190,899.40
  6. Step 6: Final answer
    x = 94,154.82

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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.