Home / 256,035.51-353,329.02-142,858.26

Finding the Fourth Proportional to 256,035.51, 353,329.02 and 142,858.26

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Solution

The fourth proportional to 256,035.51, 353,329.02 and 142,858.26 is: 197,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,035.51 : 353,329.02 = 142,858.26 : x
  2. Step 2: Convert to fraction form
    256,035.51/353,329.02 = 142,858.26/x
  3. Step 3: Cross multiply
    256,035.51x = 353,329.02 × 142,858.26
  4. Step 4: Simplify right side
    256,035.51x = 50,475,969,004.71
  5. Step 5: Solve for x
    x = 50,475,969,004.71/256,035.51
  6. Step 6: Final answer
    x = 197,144.41

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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.