Home / 131,653.08-181,697.76-101,414.16

Finding the Fourth Proportional to 131,653.08, 181,697.76 and 101,414.16

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Solution

The fourth proportional to 131,653.08, 181,697.76 and 101,414.16 is: 139,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,653.08 : 181,697.76 = 101,414.16 : x
  2. Step 2: Convert to fraction form
    131,653.08/181,697.76 = 101,414.16/x
  3. Step 3: Cross multiply
    131,653.08x = 181,697.76 × 101,414.16
  4. Step 4: Simplify right side
    131,653.08x = 18,426,725,704.28
  5. Step 5: Solve for x
    x = 18,426,725,704.28/131,653.08
  6. Step 6: Final answer
    x = 139,964.26

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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.