Home / 199,490.09-299,232.20-92,814.36

Finding the Fourth Proportional to 199,490.09, 299,232.20 and 92,814.36

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Solution

The fourth proportional to 199,490.09, 299,232.20 and 92,814.36 is: 139,220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,490.09 : 299,232.20 = 92,814.36 : x
  2. Step 2: Convert to fraction form
    199,490.09/299,232.20 = 92,814.36/x
  3. Step 3: Cross multiply
    199,490.09x = 299,232.20 × 92,814.36
  4. Step 4: Simplify right side
    199,490.09x = 27,773,044,670.32
  5. Step 5: Solve for x
    x = 27,773,044,670.32/199,490.09
  6. Step 6: Final answer
    x = 139,220.18

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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.