Home / 190,533.70-285,860.04-114,715.36

Finding the Fourth Proportional to 190,533.70, 285,860.04 and 114,715.36

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Solution

The fourth proportional to 190,533.70, 285,860.04 and 114,715.36 is: 172,108.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,533.70 : 285,860.04 = 114,715.36 : x
  2. Step 2: Convert to fraction form
    190,533.70/285,860.04 = 114,715.36/x
  3. Step 3: Cross multiply
    190,533.70x = 285,860.04 × 114,715.36
  4. Step 4: Simplify right side
    190,533.70x = 32,792,537,398.21
  5. Step 5: Solve for x
    x = 32,792,537,398.21/190,533.70
  6. Step 6: Final answer
    x = 172,108.86

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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.