Home / 113,653.02-156,908.37-101,042.88

Finding the Fourth Proportional to 113,653.02, 156,908.37 and 101,042.88

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Solution

The fourth proportional to 113,653.02, 156,908.37 and 101,042.88 is: 139,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,653.02 : 156,908.37 = 101,042.88 : x
  2. Step 2: Convert to fraction form
    113,653.02/156,908.37 = 101,042.88/x
  3. Step 3: Cross multiply
    113,653.02x = 156,908.37 × 101,042.88
  4. Step 4: Simplify right side
    113,653.02x = 15,854,472,816.36
  5. Step 5: Solve for x
    x = 15,854,472,816.36/113,653.02
  6. Step 6: Final answer
    x = 139,498.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.