Home / 190,817.34-286,357.19-66,158.34

Finding the Fourth Proportional to 190,817.34, 286,357.19 and 66,158.34

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Solution

The fourth proportional to 190,817.34, 286,357.19 and 66,158.34 is: 99,282.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,817.34 : 286,357.19 = 66,158.34 : x
  2. Step 2: Convert to fraction form
    190,817.34/286,357.19 = 66,158.34/x
  3. Step 3: Cross multiply
    190,817.34x = 286,357.19 × 66,158.34
  4. Step 4: Simplify right side
    190,817.34x = 18,944,916,006.67
  5. Step 5: Solve for x
    x = 18,944,916,006.67/190,817.34
  6. Step 6: Final answer
    x = 99,282.99

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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.