Home / 245,018.02-367,579.38-85,098.91

Finding the Fourth Proportional to 245,018.02, 367,579.38 and 85,098.91

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Solution

The fourth proportional to 245,018.02, 367,579.38 and 85,098.91 is: 127,666.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,018.02 : 367,579.38 = 85,098.91 : x
  2. Step 2: Convert to fraction form
    245,018.02/367,579.38 = 85,098.91/x
  3. Step 3: Cross multiply
    245,018.02x = 367,579.38 × 85,098.91
  4. Step 4: Simplify right side
    245,018.02x = 31,280,604,576.48
  5. Step 5: Solve for x
    x = 31,280,604,576.48/245,018.02
  6. Step 6: Final answer
    x = 127,666.55

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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.