Home / 118,612.35-163,684.94-64,897.58

Finding the Fourth Proportional to 118,612.35, 163,684.94 and 64,897.58

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Solution

The fourth proportional to 118,612.35, 163,684.94 and 64,897.58 is: 89,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,612.35 : 163,684.94 = 64,897.58 : x
  2. Step 2: Convert to fraction form
    118,612.35/163,684.94 = 64,897.58/x
  3. Step 3: Cross multiply
    118,612.35x = 163,684.94 × 64,897.58
  4. Step 4: Simplify right side
    118,612.35x = 10,622,756,573.17
  5. Step 5: Solve for x
    x = 10,622,756,573.17/118,612.35
  6. Step 6: Final answer
    x = 89,558.60

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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.