Home / 118,619.40-177,669.90-92,116.20

Finding the Fourth Proportional to 118,619.40, 177,669.90 and 92,116.20

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Solution

The fourth proportional to 118,619.40, 177,669.90 and 92,116.20 is: 137,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,619.40 : 177,669.90 = 92,116.20 : x
  2. Step 2: Convert to fraction form
    118,619.40/177,669.90 = 92,116.20/x
  3. Step 3: Cross multiply
    118,619.40x = 177,669.90 × 92,116.20
  4. Step 4: Simplify right side
    118,619.40x = 16,366,276,042.38
  5. Step 5: Solve for x
    x = 16,366,276,042.38/118,619.40
  6. Step 6: Final answer
    x = 137,973.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.