Home / 117,923.10-176,884.65-78,557.10

Finding the Fourth Proportional to 117,923.10, 176,884.65 and 78,557.10

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Solution

The fourth proportional to 117,923.10, 176,884.65 and 78,557.10 is: 117,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,923.10 : 176,884.65 = 78,557.10 : x
  2. Step 2: Convert to fraction form
    117,923.10/176,884.65 = 78,557.10/x
  3. Step 3: Cross multiply
    117,923.10x = 176,884.65 × 78,557.10
  4. Step 4: Simplify right side
    117,923.10x = 13,895,545,138.52
  5. Step 5: Solve for x
    x = 13,895,545,138.52/117,923.10
  6. Step 6: Final answer
    x = 117,835.65

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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.