Home / 118,625.23-163,702.65-64,910.24

Finding the Fourth Proportional to 118,625.23, 163,702.65 and 64,910.24

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Solution

The fourth proportional to 118,625.23, 163,702.65 and 64,910.24 is: 89,576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,625.23 : 163,702.65 = 64,910.24 : x
  2. Step 2: Convert to fraction form
    118,625.23/163,702.65 = 64,910.24/x
  3. Step 3: Cross multiply
    118,625.23x = 163,702.65 × 64,910.24
  4. Step 4: Simplify right side
    118,625.23x = 10,625,977,330.83
  5. Step 5: Solve for x
    x = 10,625,977,330.83/118,625.23
  6. Step 6: Final answer
    x = 89,576.03

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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.