Home / 290,816.04-401,162.22-169,931.64

Finding the Fourth Proportional to 290,816.04, 401,162.22 and 169,931.64

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Solution

The fourth proportional to 290,816.04, 401,162.22 and 169,931.64 is: 234,409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,816.04 : 401,162.22 = 169,931.64 : x
  2. Step 2: Convert to fraction form
    290,816.04/401,162.22 = 169,931.64/x
  3. Step 3: Cross multiply
    290,816.04x = 401,162.22 × 169,931.64
  4. Step 4: Simplify right side
    290,816.04x = 68,170,153,950.64
  5. Step 5: Solve for x
    x = 68,170,153,950.64/290,816.04
  6. Step 6: Final answer
    x = 234,409.88

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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.