Home / 118,582.44-163,639.08-64,867.56

Finding the Fourth Proportional to 118,582.44, 163,639.08 and 64,867.56

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Solution

The fourth proportional to 118,582.44, 163,639.08 and 64,867.56 is: 89,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,582.44 : 163,639.08 = 64,867.56 : x
  2. Step 2: Convert to fraction form
    118,582.44/163,639.08 = 64,867.56/x
  3. Step 3: Cross multiply
    118,582.44x = 163,639.08 × 64,867.56
  4. Step 4: Simplify right side
    118,582.44x = 10,614,867,840.24
  5. Step 5: Solve for x
    x = 10,614,867,840.24/118,582.44
  6. Step 6: Final answer
    x = 89,514.67

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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.