Home / 117,923.20-176,884.80-80,598.40

Finding the Fourth Proportional to 117,923.20, 176,884.80 and 80,598.40

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Solution

The fourth proportional to 117,923.20, 176,884.80 and 80,598.40 is: 120,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,923.20 : 176,884.80 = 80,598.40 : x
  2. Step 2: Convert to fraction form
    117,923.20/176,884.80 = 80,598.40/x
  3. Step 3: Cross multiply
    117,923.20x = 176,884.80 × 80,598.40
  4. Step 4: Simplify right side
    117,923.20x = 14,256,631,864.32
  5. Step 5: Solve for x
    x = 14,256,631,864.32/117,923.20
  6. Step 6: Final answer
    x = 120,897.60

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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.