Home / 257,036.90-354,701.34-142,313.27

Finding the Fourth Proportional to 257,036.90, 354,701.34 and 142,313.27

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Solution

The fourth proportional to 257,036.90, 354,701.34 and 142,313.27 is: 196,387.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,036.90 : 354,701.34 = 142,313.27 : x
  2. Step 2: Convert to fraction form
    257,036.90/354,701.34 = 142,313.27/x
  3. Step 3: Cross multiply
    257,036.90x = 354,701.34 × 142,313.27
  4. Step 4: Simplify right side
    257,036.90x = 50,478,705,795.28
  5. Step 5: Solve for x
    x = 50,478,705,795.28/257,036.90
  6. Step 6: Final answer
    x = 196,387.00

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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.