Home / 134,192.48-185,157.36-74,575.20

Finding the Fourth Proportional to 134,192.48, 185,157.36 and 74,575.20

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Solution

The fourth proportional to 134,192.48, 185,157.36 and 74,575.20 is: 102,898.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,192.48 : 185,157.36 = 74,575.20 : x
  2. Step 2: Convert to fraction form
    134,192.48/185,157.36 = 74,575.20/x
  3. Step 3: Cross multiply
    134,192.48x = 185,157.36 × 74,575.20
  4. Step 4: Simplify right side
    134,192.48x = 13,808,147,153.47
  5. Step 5: Solve for x
    x = 13,808,147,153.47/134,192.48
  6. Step 6: Final answer
    x = 102,898.07

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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.