Home / 113,220.02-169,830.30-30,114.02

Finding the Fourth Proportional to 113,220.02, 169,830.30 and 30,114.02

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Solution

The fourth proportional to 113,220.02, 169,830.30 and 30,114.02 is: 45,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,220.02 : 169,830.30 = 30,114.02 : x
  2. Step 2: Convert to fraction form
    113,220.02/169,830.30 = 30,114.02/x
  3. Step 3: Cross multiply
    113,220.02x = 169,830.30 × 30,114.02
  4. Step 4: Simplify right side
    113,220.02x = 5,114,273,050.81
  5. Step 5: Solve for x
    x = 5,114,273,050.81/113,220.02
  6. Step 6: Final answer
    x = 45,171.10

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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.