Home / 131,064.48-180,884.34-74,484.36

Finding the Fourth Proportional to 131,064.48, 180,884.34 and 74,484.36

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Solution

The fourth proportional to 131,064.48, 180,884.34 and 74,484.36 is: 102,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,064.48 : 180,884.34 = 74,484.36 : x
  2. Step 2: Convert to fraction form
    131,064.48/180,884.34 = 74,484.36/x
  3. Step 3: Cross multiply
    131,064.48x = 180,884.34 × 74,484.36
  4. Step 4: Simplify right side
    131,064.48x = 13,473,054,298.92
  5. Step 5: Solve for x
    x = 13,473,054,298.92/131,064.48
  6. Step 6: Final answer
    x = 102,797.14

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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.