Home / 190,064.45-284,859.86-166,315.68

Finding the Fourth Proportional to 190,064.45, 284,859.86 and 166,315.68

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Solution

The fourth proportional to 190,064.45, 284,859.86 and 166,315.68 is: 249,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,064.45 : 284,859.86 = 166,315.68 : x
  2. Step 2: Convert to fraction form
    190,064.45/284,859.86 = 166,315.68/x
  3. Step 3: Cross multiply
    190,064.45x = 284,859.86 × 166,315.68
  4. Step 4: Simplify right side
    190,064.45x = 47,376,661,892.32
  5. Step 5: Solve for x
    x = 47,376,661,892.32/190,064.45
  6. Step 6: Final answer
    x = 249,266.30

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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.