Home / 190,895.70-286,270.65-57,731.70

Finding the Fourth Proportional to 190,895.70, 286,270.65 and 57,731.70

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Solution

The fourth proportional to 190,895.70, 286,270.65 and 57,731.70 is: 86,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,895.70 : 286,270.65 = 57,731.70 : x
  2. Step 2: Convert to fraction form
    190,895.70/286,270.65 = 57,731.70/x
  3. Step 3: Cross multiply
    190,895.70x = 286,270.65 × 57,731.70
  4. Step 4: Simplify right side
    190,895.70x = 16,526,891,284.61
  5. Step 5: Solve for x
    x = 16,526,891,284.61/190,895.70
  6. Step 6: Final answer
    x = 86,575.50

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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.