Home / 256,037.51-353,331.78-142,860.26

Finding the Fourth Proportional to 256,037.51, 353,331.78 and 142,860.26

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Solution

The fourth proportional to 256,037.51, 353,331.78 and 142,860.26 is: 197,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,037.51 : 353,331.78 = 142,860.26 : x
  2. Step 2: Convert to fraction form
    256,037.51/353,331.78 = 142,860.26/x
  3. Step 3: Cross multiply
    256,037.51x = 353,331.78 × 142,860.26
  4. Step 4: Simplify right side
    256,037.51x = 50,477,069,957.06
  5. Step 5: Solve for x
    x = 50,477,069,957.06/256,037.51
  6. Step 6: Final answer
    x = 197,147.17

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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.