Home / 118,325.25-163,288.02-64,610.23

Finding the Fourth Proportional to 118,325.25, 163,288.02 and 64,610.23

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Solution

The fourth proportional to 118,325.25, 163,288.02 and 64,610.23 is: 89,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,325.25 : 163,288.02 = 64,610.23 : x
  2. Step 2: Convert to fraction form
    118,325.25/163,288.02 = 64,610.23/x
  3. Step 3: Cross multiply
    118,325.25x = 163,288.02 × 64,610.23
  4. Step 4: Simplify right side
    118,325.25x = 10,550,076,528.44
  5. Step 5: Solve for x
    x = 10,550,076,528.44/118,325.25
  6. Step 6: Final answer
    x = 89,161.67

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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.