Home / 117,036.08-161,621.32-110,660.24

Finding the Fourth Proportional to 117,036.08, 161,621.32 and 110,660.24

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Solution

The fourth proportional to 117,036.08, 161,621.32 and 110,660.24 is: 152,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,036.08 : 161,621.32 = 110,660.24 : x
  2. Step 2: Convert to fraction form
    117,036.08/161,621.32 = 110,660.24/x
  3. Step 3: Cross multiply
    117,036.08x = 161,621.32 × 110,660.24
  4. Step 4: Simplify right side
    117,036.08x = 17,885,054,060.32
  5. Step 5: Solve for x
    x = 17,885,054,060.32/117,036.08
  6. Step 6: Final answer
    x = 152,816.58

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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.