Home / 113,464.41-156,601.88-65,717.74

Finding the Fourth Proportional to 113,464.41, 156,601.88 and 65,717.74

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Solution

The fourth proportional to 113,464.41, 156,601.88 and 65,717.74 is: 90,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,464.41 : 156,601.88 = 65,717.74 : x
  2. Step 2: Convert to fraction form
    113,464.41/156,601.88 = 65,717.74/x
  3. Step 3: Cross multiply
    113,464.41x = 156,601.88 × 65,717.74
  4. Step 4: Simplify right side
    113,464.41x = 10,291,521,633.35
  5. Step 5: Solve for x
    x = 10,291,521,633.35/113,464.41
  6. Step 6: Final answer
    x = 90,702.64

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1.5x scale

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.