Home / 256,574.04-354,066.06-143,407.32

Finding the Fourth Proportional to 256,574.04, 354,066.06 and 143,407.32

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Solution

The fourth proportional to 256,574.04, 354,066.06 and 143,407.32 is: 197,898.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,574.04 : 354,066.06 = 143,407.32 : x
  2. Step 2: Convert to fraction form
    256,574.04/354,066.06 = 143,407.32/x
  3. Step 3: Cross multiply
    256,574.04x = 354,066.06 × 143,407.32
  4. Step 4: Simplify right side
    256,574.04x = 50,775,664,767.56
  5. Step 5: Solve for x
    x = 50,775,664,767.56/256,574.04
  6. Step 6: Final answer
    x = 197,898.68

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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.