Home / 153,153.92-211,371.26-92,745.57

Finding the Fourth Proportional to 153,153.92, 211,371.26 and 92,745.57

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Solution

The fourth proportional to 153,153.92, 211,371.26 and 92,745.57 is: 128,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,153.92 : 211,371.26 = 92,745.57 : x
  2. Step 2: Convert to fraction form
    153,153.92/211,371.26 = 92,745.57/x
  3. Step 3: Cross multiply
    153,153.92x = 211,371.26 × 92,745.57
  4. Step 4: Simplify right side
    153,153.92x = 19,603,748,319.23
  5. Step 5: Solve for x
    x = 19,603,748,319.23/153,153.92
  6. Step 6: Final answer
    x = 128,000.30

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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.