Home / 190,472.12-285,755.76-134,421.64

Finding the Fourth Proportional to 190,472.12, 285,755.76 and 134,421.64

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Solution

The fourth proportional to 190,472.12, 285,755.76 and 134,421.64 is: 201,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,472.12 : 285,755.76 = 134,421.64 : x
  2. Step 2: Convert to fraction form
    190,472.12/285,755.76 = 134,421.64/x
  3. Step 3: Cross multiply
    190,472.12x = 285,755.76 × 134,421.64
  4. Step 4: Simplify right side
    190,472.12x = 38,411,757,898.65
  5. Step 5: Solve for x
    x = 38,411,757,898.65/190,472.12
  6. Step 6: Final answer
    x = 201,666.04

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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.