Home / 118,191.42-163,104.09-64,476.32

Finding the Fourth Proportional to 118,191.42, 163,104.09 and 64,476.32

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Solution

The fourth proportional to 118,191.42, 163,104.09 and 64,476.32 is: 88,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,191.42 : 163,104.09 = 64,476.32 : x
  2. Step 2: Convert to fraction form
    118,191.42/163,104.09 = 64,476.32/x
  3. Step 3: Cross multiply
    118,191.42x = 163,104.09 × 64,476.32
  4. Step 4: Simplify right side
    118,191.42x = 10,516,350,684.63
  5. Step 5: Solve for x
    x = 10,516,350,684.63/118,191.42
  6. Step 6: Final answer
    x = 88,977.28

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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.