Home / 98,330.54-147,495.89-42,134.19

Finding the Fourth Proportional to 98,330.54, 147,495.89 and 42,134.19

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Solution

The fourth proportional to 98,330.54, 147,495.89 and 42,134.19 is: 63,201.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,330.54 : 147,495.89 = 42,134.19 : x
  2. Step 2: Convert to fraction form
    98,330.54/147,495.89 = 42,134.19/x
  3. Step 3: Cross multiply
    98,330.54x = 147,495.89 × 42,134.19
  4. Step 4: Simplify right side
    98,330.54x = 6,214,619,853.48
  5. Step 5: Solve for x
    x = 6,214,619,853.48/98,330.54
  6. Step 6: Final answer
    x = 63,201.32

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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.