Home / 118,613.92-163,685.74-64,898.16

Finding the Fourth Proportional to 118,613.92, 163,685.74 and 64,898.16

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Solution

The fourth proportional to 118,613.92, 163,685.74 and 64,898.16 is: 89,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,613.92 : 163,685.74 = 64,898.16 : x
  2. Step 2: Convert to fraction form
    118,613.92/163,685.74 = 64,898.16/x
  3. Step 3: Cross multiply
    118,613.92x = 163,685.74 × 64,898.16
  4. Step 4: Simplify right side
    118,613.92x = 10,622,903,344.24
  5. Step 5: Solve for x
    x = 10,622,903,344.24/118,613.92
  6. Step 6: Final answer
    x = 89,558.66

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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.