Home / 113,219.02-169,828.80-30,113.02

Finding the Fourth Proportional to 113,219.02, 169,828.80 and 30,113.02

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Solution

The fourth proportional to 113,219.02, 169,828.80 and 30,113.02 is: 45,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,219.02 : 169,828.80 = 30,113.02 : x
  2. Step 2: Convert to fraction form
    113,219.02/169,828.80 = 30,113.02/x
  3. Step 3: Cross multiply
    113,219.02x = 169,828.80 × 30,113.02
  4. Step 4: Simplify right side
    113,219.02x = 5,114,058,050.98
  5. Step 5: Solve for x
    x = 5,114,058,050.98/113,219.02
  6. Step 6: Final answer
    x = 45,169.60

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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.