Home / 256,681.04-354,213.96-143,514.32

Finding the Fourth Proportional to 256,681.04, 354,213.96 and 143,514.32

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Solution

The fourth proportional to 256,681.04, 354,213.96 and 143,514.32 is: 198,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,681.04 : 354,213.96 = 143,514.32 : x
  2. Step 2: Convert to fraction form
    256,681.04/354,213.96 = 143,514.32/x
  3. Step 3: Cross multiply
    256,681.04x = 354,213.96 × 143,514.32
  4. Step 4: Simplify right side
    256,681.04x = 50,834,775,603.91
  5. Step 5: Solve for x
    x = 50,834,775,603.91/256,681.04
  6. Step 6: Final answer
    x = 198,046.48

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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.