Home / 118,300.70-163,257.44-64,587.98

Finding the Fourth Proportional to 118,300.70, 163,257.44 and 64,587.98

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Solution

The fourth proportional to 118,300.70, 163,257.44 and 64,587.98 is: 89,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,300.70 : 163,257.44 = 64,587.98 : x
  2. Step 2: Convert to fraction form
    118,300.70/163,257.44 = 64,587.98/x
  3. Step 3: Cross multiply
    118,300.70x = 163,257.44 × 64,587.98
  4. Step 4: Simplify right side
    118,300.70x = 10,544,468,354.77
  5. Step 5: Solve for x
    x = 10,544,468,354.77/118,300.70
  6. Step 6: Final answer
    x = 89,132.76

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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.