Home / 341,547.36-512,345.64-131,185.26

Finding the Fourth Proportional to 341,547.36, 512,345.64 and 131,185.26

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Solution

The fourth proportional to 341,547.36, 512,345.64 and 131,185.26 is: 196,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,547.36 : 512,345.64 = 131,185.26 : x
  2. Step 2: Convert to fraction form
    341,547.36/512,345.64 = 131,185.26/x
  3. Step 3: Cross multiply
    341,547.36x = 512,345.64 × 131,185.26
  4. Step 4: Simplify right side
    341,547.36x = 67,212,195,993.27
  5. Step 5: Solve for x
    x = 67,212,195,993.27/341,547.36
  6. Step 6: Final answer
    x = 196,787.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.