Home / 157,389.34-236,014.54-45,043.98

Finding the Fourth Proportional to 157,389.34, 236,014.54 and 45,043.98

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Solution

The fourth proportional to 157,389.34, 236,014.54 and 45,043.98 is: 67,546.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,389.34 : 236,014.54 = 45,043.98 : x
  2. Step 2: Convert to fraction form
    157,389.34/236,014.54 = 45,043.98/x
  3. Step 3: Cross multiply
    157,389.34x = 236,014.54 × 45,043.98
  4. Step 4: Simplify right side
    157,389.34x = 10,631,034,219.47
  5. Step 5: Solve for x
    x = 10,631,034,219.47/157,389.34
  6. Step 6: Final answer
    x = 67,546.09

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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.