Home / 130,402.84-179,960.34-73,044.62

Finding the Fourth Proportional to 130,402.84, 179,960.34 and 73,044.62

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Solution

The fourth proportional to 130,402.84, 179,960.34 and 73,044.62 is: 100,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,402.84 : 179,960.34 = 73,044.62 : x
  2. Step 2: Convert to fraction form
    130,402.84/179,960.34 = 73,044.62/x
  3. Step 3: Cross multiply
    130,402.84x = 179,960.34 × 73,044.62
  4. Step 4: Simplify right side
    130,402.84x = 13,145,134,650.37
  5. Step 5: Solve for x
    x = 13,145,134,650.37/130,402.84
  6. Step 6: Final answer
    x = 100,804.05

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1.5x scale

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.