Home / 153,137.07-211,333.73-92,718.77

Finding the Fourth Proportional to 153,137.07, 211,333.73 and 92,718.77

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Solution

The fourth proportional to 153,137.07, 211,333.73 and 92,718.77 is: 127,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,137.07 : 211,333.73 = 92,718.77 : x
  2. Step 2: Convert to fraction form
    153,137.07/211,333.73 = 92,718.77/x
  3. Step 3: Cross multiply
    153,137.07x = 211,333.73 × 92,718.77
  4. Step 4: Simplify right side
    153,137.07x = 19,594,601,984.85
  5. Step 5: Solve for x
    x = 19,594,601,984.85/153,137.07
  6. Step 6: Final answer
    x = 127,954.66

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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.