Home / 153,939.71-211,621.32-132,349.93

Finding the Fourth Proportional to 153,939.71, 211,621.32 and 132,349.93

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Solution

The fourth proportional to 153,939.71, 211,621.32 and 132,349.93 is: 181,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,939.71 : 211,621.32 = 132,349.93 : x
  2. Step 2: Convert to fraction form
    153,939.71/211,621.32 = 132,349.93/x
  3. Step 3: Cross multiply
    153,939.71x = 211,621.32 × 132,349.93
  4. Step 4: Simplify right side
    153,939.71x = 28,008,066,359.45
  5. Step 5: Solve for x
    x = 28,008,066,359.45/153,939.71
  6. Step 6: Final answer
    x = 181,941.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.