Home / 291,272.31-401,935.23-162,206.91

Finding the Fourth Proportional to 291,272.31, 401,935.23 and 162,206.91

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Solution

The fourth proportional to 291,272.31, 401,935.23 and 162,206.91 is: 223,834.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,272.31 : 401,935.23 = 162,206.91 : x
  2. Step 2: Convert to fraction form
    291,272.31/401,935.23 = 162,206.91/x
  3. Step 3: Cross multiply
    291,272.31x = 401,935.23 × 162,206.91
  4. Step 4: Simplify right side
    291,272.31x = 65,196,671,678.44
  5. Step 5: Solve for x
    x = 65,196,671,678.44/291,272.31
  6. Step 6: Final answer
    x = 223,834.09

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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.