Home / 199,576.11-299,412.02-66,457.52

Finding the Fourth Proportional to 199,576.11, 299,412.02 and 66,457.52

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Solution

The fourth proportional to 199,576.11, 299,412.02 and 66,457.52 is: 99,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,576.11 : 299,412.02 = 66,457.52 : x
  2. Step 2: Convert to fraction form
    199,576.11/299,412.02 = 66,457.52/x
  3. Step 3: Cross multiply
    199,576.11x = 299,412.02 × 66,457.52
  4. Step 4: Simplify right side
    199,576.11x = 19,898,180,307.39
  5. Step 5: Solve for x
    x = 19,898,180,307.39/199,576.11
  6. Step 6: Final answer
    x = 99,702.22

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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.