Home / 190,826.20-286,239.30-57,799.90

Finding the Fourth Proportional to 190,826.20, 286,239.30 and 57,799.90

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Solution

The fourth proportional to 190,826.20, 286,239.30 and 57,799.90 is: 86,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,826.20 : 286,239.30 = 57,799.90 : x
  2. Step 2: Convert to fraction form
    190,826.20/286,239.30 = 57,799.90/x
  3. Step 3: Cross multiply
    190,826.20x = 286,239.30 × 57,799.90
  4. Step 4: Simplify right side
    190,826.20x = 16,544,602,916.07
  5. Step 5: Solve for x
    x = 16,544,602,916.07/190,826.20
  6. Step 6: Final answer
    x = 86,699.85

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1.5x scale

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.