Home / 290,947.01-401,504.24-163,623.51

Finding the Fourth Proportional to 290,947.01, 401,504.24 and 163,623.51

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Solution

The fourth proportional to 290,947.01, 401,504.24 and 163,623.51 is: 225,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,947.01 : 401,504.24 = 163,623.51 : x
  2. Step 2: Convert to fraction form
    290,947.01/401,504.24 = 163,623.51/x
  3. Step 3: Cross multiply
    290,947.01x = 401,504.24 × 163,623.51
  4. Step 4: Simplify right side
    290,947.01x = 65,695,533,437.74
  5. Step 5: Solve for x
    x = 65,695,533,437.74/290,947.01
  6. Step 6: Final answer
    x = 225,798.97

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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.