Home / 190,887.84-286,331.67-57,765.06

Finding the Fourth Proportional to 190,887.84, 286,331.67 and 57,765.06

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Solution

The fourth proportional to 190,887.84, 286,331.67 and 57,765.06 is: 86,647.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,887.84 : 286,331.67 = 57,765.06 : x
  2. Step 2: Convert to fraction form
    190,887.84/286,331.67 = 57,765.06/x
  3. Step 3: Cross multiply
    190,887.84x = 286,331.67 × 57,765.06
  4. Step 4: Simplify right side
    190,887.84x = 16,539,966,097.45
  5. Step 5: Solve for x
    x = 16,539,966,097.45/190,887.84
  6. Step 6: Final answer
    x = 86,647.56

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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.