Home / 256,735.04-354,327.36-143,564.16

Finding the Fourth Proportional to 256,735.04, 354,327.36 and 143,564.16

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Solution

The fourth proportional to 256,735.04, 354,327.36 and 143,564.16 is: 198,137.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,735.04 : 354,327.36 = 143,564.16 : x
  2. Step 2: Convert to fraction form
    256,735.04/354,327.36 = 143,564.16/x
  3. Step 3: Cross multiply
    256,735.04x = 354,327.36 × 143,564.16
  4. Step 4: Simplify right side
    256,735.04x = 50,868,709,803.42
  5. Step 5: Solve for x
    x = 50,868,709,803.42/256,735.04
  6. Step 6: Final answer
    x = 198,137.00

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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.