Home / 256,533.36-354,013.47-143,356.11

Finding the Fourth Proportional to 256,533.36, 354,013.47 and 143,356.11

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Solution

The fourth proportional to 256,533.36, 354,013.47 and 143,356.11 is: 197,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,533.36 : 354,013.47 = 143,356.11 : x
  2. Step 2: Convert to fraction form
    256,533.36/354,013.47 = 143,356.11/x
  3. Step 3: Cross multiply
    256,533.36x = 354,013.47 × 143,356.11
  4. Step 4: Simplify right side
    256,533.36x = 50,749,993,946.80
  5. Step 5: Solve for x
    x = 50,749,993,946.80/256,533.36
  6. Step 6: Final answer
    x = 197,830.00

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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.