Home / 118,617.40-177,666.90-92,114.20

Finding the Fourth Proportional to 118,617.40, 177,666.90 and 92,114.20

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Solution

The fourth proportional to 118,617.40, 177,666.90 and 92,114.20 is: 137,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,617.40 : 177,666.90 = 92,114.20 : x
  2. Step 2: Convert to fraction form
    118,617.40/177,666.90 = 92,114.20/x
  3. Step 3: Cross multiply
    118,617.40x = 177,666.90 × 92,114.20
  4. Step 4: Simplify right side
    118,617.40x = 16,365,644,359.98
  5. Step 5: Solve for x
    x = 16,365,644,359.98/118,617.40
  6. Step 6: Final answer
    x = 137,970.01

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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.