Home / 256,741.09-354,275.44-142,001.51

Finding the Fourth Proportional to 256,741.09, 354,275.44 and 142,001.51

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Solution

The fourth proportional to 256,741.09, 354,275.44 and 142,001.51 is: 195,947.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,741.09 : 354,275.44 = 142,001.51 : x
  2. Step 2: Convert to fraction form
    256,741.09/354,275.44 = 142,001.51/x
  3. Step 3: Cross multiply
    256,741.09x = 354,275.44 × 142,001.51
  4. Step 4: Simplify right side
    256,741.09x = 50,307,645,309.53
  5. Step 5: Solve for x
    x = 50,307,645,309.53/256,741.09
  6. Step 6: Final answer
    x = 195,947.00

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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.