Home / 257,019.50-354,673.89-140,729.81

Finding the Fourth Proportional to 257,019.50, 354,673.89 and 140,729.81

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Solution

The fourth proportional to 257,019.50, 354,673.89 and 140,729.81 is: 194,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,019.50 : 354,673.89 = 140,729.81 : x
  2. Step 2: Convert to fraction form
    257,019.50/354,673.89 = 140,729.81/x
  3. Step 3: Cross multiply
    257,019.50x = 354,673.89 × 140,729.81
  4. Step 4: Simplify right side
    257,019.50x = 49,913,189,151.66
  5. Step 5: Solve for x
    x = 49,913,189,151.66/257,019.50
  6. Step 6: Final answer
    x = 194,200.01

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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.