Home / 121,150.08-181,444.32-116,947.80

Finding the Fourth Proportional to 121,150.08, 181,444.32 and 116,947.80

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Solution

The fourth proportional to 121,150.08, 181,444.32 and 116,947.80 is: 175,150.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,150.08 : 181,444.32 = 116,947.80 : x
  2. Step 2: Convert to fraction form
    121,150.08/181,444.32 = 116,947.80/x
  3. Step 3: Cross multiply
    121,150.08x = 181,444.32 × 116,947.80
  4. Step 4: Simplify right side
    121,150.08x = 21,219,514,046.50
  5. Step 5: Solve for x
    x = 21,219,514,046.50/121,150.08
  6. Step 6: Final answer
    x = 175,150.64

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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.