Home / 256,055.04-353,303.20-147,138.33

Finding the Fourth Proportional to 256,055.04, 353,303.20 and 147,138.33

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Solution

The fourth proportional to 256,055.04, 353,303.20 and 147,138.33 is: 203,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,055.04 : 353,303.20 = 147,138.33 : x
  2. Step 2: Convert to fraction form
    256,055.04/353,303.20 = 147,138.33/x
  3. Step 3: Cross multiply
    256,055.04x = 353,303.20 × 147,138.33
  4. Step 4: Simplify right side
    256,055.04x = 51,984,443,788.70
  5. Step 5: Solve for x
    x = 51,984,443,788.70/256,055.04
  6. Step 6: Final answer
    x = 203,020.59

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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.