Home / 190,800.70-286,201.05-57,774.40

Finding the Fourth Proportional to 190,800.70, 286,201.05 and 57,774.40

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Solution

The fourth proportional to 190,800.70, 286,201.05 and 57,774.40 is: 86,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,800.70 : 286,201.05 = 57,774.40 : x
  2. Step 2: Convert to fraction form
    190,800.70/286,201.05 = 57,774.40/x
  3. Step 3: Cross multiply
    190,800.70x = 286,201.05 × 57,774.40
  4. Step 4: Simplify right side
    190,800.70x = 16,535,093,943.12
  5. Step 5: Solve for x
    x = 16,535,093,943.12/190,800.70
  6. Step 6: Final answer
    x = 86,661.60

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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.