Home / 131,062.08-180,860.31-73,699.77

Finding the Fourth Proportional to 131,062.08, 180,860.31 and 73,699.77

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Solution

The fourth proportional to 131,062.08, 180,860.31 and 73,699.77 is: 101,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,062.08 : 180,860.31 = 73,699.77 : x
  2. Step 2: Convert to fraction form
    131,062.08/180,860.31 = 73,699.77/x
  3. Step 3: Cross multiply
    131,062.08x = 180,860.31 × 73,699.77
  4. Step 4: Simplify right side
    131,062.08x = 13,329,363,249.13
  5. Step 5: Solve for x
    x = 13,329,363,249.13/131,062.08
  6. Step 6: Final answer
    x = 101,702.67

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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.