Home / 113,476.11-156,573.30-65,726.61

Finding the Fourth Proportional to 113,476.11, 156,573.30 and 65,726.61

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Solution

The fourth proportional to 113,476.11, 156,573.30 and 65,726.61 is: 90,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,476.11 : 156,573.30 = 65,726.61 : x
  2. Step 2: Convert to fraction form
    113,476.11/156,573.30 = 65,726.61/x
  3. Step 3: Cross multiply
    113,476.11x = 156,573.30 × 65,726.61
  4. Step 4: Simplify right side
    113,476.11x = 10,291,032,225.51
  5. Step 5: Solve for x
    x = 10,291,032,225.51/113,476.11
  6. Step 6: Final answer
    x = 90,688.98

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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.