Home / 118,281.96-163,219.86-64,563.84

Finding the Fourth Proportional to 118,281.96, 163,219.86 and 64,563.84

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Solution

The fourth proportional to 118,281.96, 163,219.86 and 64,563.84 is: 89,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,281.96 : 163,219.86 = 64,563.84 : x
  2. Step 2: Convert to fraction form
    118,281.96/163,219.86 = 64,563.84/x
  3. Step 3: Cross multiply
    118,281.96x = 163,219.86 × 64,563.84
  4. Step 4: Simplify right side
    118,281.96x = 10,538,100,925.86
  5. Step 5: Solve for x
    x = 10,538,100,925.86/118,281.96
  6. Step 6: Final answer
    x = 89,093.05

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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.