Home / 134,888.92-186,145.63-74,459.48

Finding the Fourth Proportional to 134,888.92, 186,145.63 and 74,459.48

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Solution

The fourth proportional to 134,888.92, 186,145.63 and 74,459.48 is: 102,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,888.92 : 186,145.63 = 74,459.48 : x
  2. Step 2: Convert to fraction form
    134,888.92/186,145.63 = 74,459.48/x
  3. Step 3: Cross multiply
    134,888.92x = 186,145.63 × 74,459.48
  4. Step 4: Simplify right side
    134,888.92x = 13,860,305,697.20
  5. Step 5: Solve for x
    x = 13,860,305,697.20/134,888.92
  6. Step 6: Final answer
    x = 102,753.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.