Home / 291,189.36-401,592.84-176,441.52

Finding the Fourth Proportional to 291,189.36, 401,592.84 and 176,441.52

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Solution

The fourth proportional to 291,189.36, 401,592.84 and 176,441.52 is: 243,338.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,189.36 : 401,592.84 = 176,441.52 : x
  2. Step 2: Convert to fraction form
    291,189.36/401,592.84 = 176,441.52/x
  3. Step 3: Cross multiply
    291,189.36x = 401,592.84 × 176,441.52
  4. Step 4: Simplify right side
    291,189.36x = 70,857,651,110.72
  5. Step 5: Solve for x
    x = 70,857,651,110.72/291,189.36
  6. Step 6: Final answer
    x = 243,338.74

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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.