Home / 268,586.05-402,937.47-88,679.33

Finding the Fourth Proportional to 268,586.05, 402,937.47 and 88,679.33

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Solution

The fourth proportional to 268,586.05, 402,937.47 and 88,679.33 is: 133,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,586.05 : 402,937.47 = 88,679.33 : x
  2. Step 2: Convert to fraction form
    268,586.05/402,937.47 = 88,679.33/x
  3. Step 3: Cross multiply
    268,586.05x = 402,937.47 × 88,679.33
  4. Step 4: Simplify right side
    268,586.05x = 35,732,224,367.82
  5. Step 5: Solve for x
    x = 35,732,224,367.82/268,586.05
  6. Step 6: Final answer
    x = 133,038.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.