Home / 153,278.58-211,542.85-92,847.45

Finding the Fourth Proportional to 153,278.58, 211,542.85 and 92,847.45

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Solution

The fourth proportional to 153,278.58, 211,542.85 and 92,847.45 is: 128,140.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,278.58 : 211,542.85 = 92,847.45 : x
  2. Step 2: Convert to fraction form
    153,278.58/211,542.85 = 92,847.45/x
  3. Step 3: Cross multiply
    153,278.58x = 211,542.85 × 92,847.45
  4. Step 4: Simplify right side
    153,278.58x = 19,641,214,188.23
  5. Step 5: Solve for x
    x = 19,641,214,188.23/153,278.58
  6. Step 6: Final answer
    x = 128,140.63

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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.