Home / 120,762.08-181,140.24-37,653.92

Finding the Fourth Proportional to 120,762.08, 181,140.24 and 37,653.92

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Solution

The fourth proportional to 120,762.08, 181,140.24 and 37,653.92 is: 56,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,762.08 : 181,140.24 = 37,653.92 : x
  2. Step 2: Convert to fraction form
    120,762.08/181,140.24 = 37,653.92/x
  3. Step 3: Cross multiply
    120,762.08x = 181,140.24 × 37,653.92
  4. Step 4: Simplify right side
    120,762.08x = 6,820,640,105.74
  5. Step 5: Solve for x
    x = 6,820,640,105.74/120,762.08
  6. Step 6: Final answer
    x = 56,479.98

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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.