Home / 98,018.20-147,028.43-93,237.77

Finding the Fourth Proportional to 98,018.20, 147,028.43 and 93,237.77

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Solution

The fourth proportional to 98,018.20, 147,028.43 and 93,237.77 is: 139,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,018.20 : 147,028.43 = 93,237.77 : x
  2. Step 2: Convert to fraction form
    98,018.20/147,028.43 = 93,237.77/x
  3. Step 3: Cross multiply
    98,018.20x = 147,028.43 × 93,237.77
  4. Step 4: Simplify right side
    98,018.20x = 13,708,602,939.80
  5. Step 5: Solve for x
    x = 13,708,602,939.80/98,018.20
  6. Step 6: Final answer
    x = 139,857.73

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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.