Home / 290,953.35-401,455.45-170,071.25

Finding the Fourth Proportional to 290,953.35, 401,455.45 and 170,071.25

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Solution

The fourth proportional to 290,953.35, 401,455.45 and 170,071.25 is: 234,663.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,953.35 : 401,455.45 = 170,071.25 : x
  2. Step 2: Convert to fraction form
    290,953.35/401,455.45 = 170,071.25/x
  3. Step 3: Cross multiply
    290,953.35x = 401,455.45 × 170,071.25
  4. Step 4: Simplify right side
    290,953.35x = 68,276,027,768.36
  5. Step 5: Solve for x
    x = 68,276,027,768.36/290,953.35
  6. Step 6: Final answer
    x = 234,663.14

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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.