Home / 250,908.08-346,415.40-155,516.24

Finding the Fourth Proportional to 250,908.08, 346,415.40 and 155,516.24

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Solution

The fourth proportional to 250,908.08, 346,415.40 and 155,516.24 is: 214,712.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,908.08 : 346,415.40 = 155,516.24 : x
  2. Step 2: Convert to fraction form
    250,908.08/346,415.40 = 155,516.24/x
  3. Step 3: Cross multiply
    250,908.08x = 346,415.40 × 155,516.24
  4. Step 4: Simplify right side
    250,908.08x = 53,873,220,486.10
  5. Step 5: Solve for x
    x = 53,873,220,486.10/250,908.08
  6. Step 6: Final answer
    x = 214,712.98

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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.