Home / 259,818.76-358,543-145,094.23

Finding the Fourth Proportional to 259,818.76, 358,543 and 145,094.23

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Solution

The fourth proportional to 259,818.76, 358,543 and 145,094.23 is: 200,226.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,818.76 : 358,543 = 145,094.23 : x
  2. Step 2: Convert to fraction form
    259,818.76/358,543 = 145,094.23/x
  3. Step 3: Cross multiply
    259,818.76x = 358,543 × 145,094.23
  4. Step 4: Simplify right side
    259,818.76x = 52,022,520,506.89
  5. Step 5: Solve for x
    x = 52,022,520,506.89/259,818.76
  6. Step 6: Final answer
    x = 200,226.19

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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.