Home / 142,598.36-214,285.26-76,085.48

Finding the Fourth Proportional to 142,598.36, 214,285.26 and 76,085.48

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Solution

The fourth proportional to 142,598.36, 214,285.26 and 76,085.48 is: 114,335.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,598.36 : 214,285.26 = 76,085.48 : x
  2. Step 2: Convert to fraction form
    142,598.36/214,285.26 = 76,085.48/x
  3. Step 3: Cross multiply
    142,598.36x = 214,285.26 × 76,085.48
  4. Step 4: Simplify right side
    142,598.36x = 16,303,996,864.02
  5. Step 5: Solve for x
    x = 16,303,996,864.02/142,598.36
  6. Step 6: Final answer
    x = 114,335.09

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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.