Home / 113,212.02-169,818.30-30,106.02

Finding the Fourth Proportional to 113,212.02, 169,818.30 and 30,106.02

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Solution

The fourth proportional to 113,212.02, 169,818.30 and 30,106.02 is: 45,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,212.02 : 169,818.30 = 30,106.02 : x
  2. Step 2: Convert to fraction form
    113,212.02/169,818.30 = 30,106.02/x
  3. Step 3: Cross multiply
    113,212.02x = 169,818.30 × 30,106.02
  4. Step 4: Simplify right side
    113,212.02x = 5,112,553,136.17
  5. Step 5: Solve for x
    x = 5,112,553,136.17/113,212.02
  6. Step 6: Final answer
    x = 45,159.10

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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.