Home / 118,602.08-163,674.75-64,885.86

Finding the Fourth Proportional to 118,602.08, 163,674.75 and 64,885.86

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Solution

The fourth proportional to 118,602.08, 163,674.75 and 64,885.86 is: 89,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,602.08 : 163,674.75 = 64,885.86 : x
  2. Step 2: Convert to fraction form
    118,602.08/163,674.75 = 64,885.86/x
  3. Step 3: Cross multiply
    118,602.08x = 163,674.75 × 64,885.86
  4. Step 4: Simplify right side
    118,602.08x = 10,620,176,914.04
  5. Step 5: Solve for x
    x = 10,620,176,914.04/118,602.08
  6. Step 6: Final answer
    x = 89,544.61

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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.