Home / 354,586.20-531,927.90-117,904.20

Finding the Fourth Proportional to 354,586.20, 531,927.90 and 117,904.20

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Solution

The fourth proportional to 354,586.20, 531,927.90 and 117,904.20 is: 176,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,586.20 : 531,927.90 = 117,904.20 : x
  2. Step 2: Convert to fraction form
    354,586.20/531,927.90 = 117,904.20/x
  3. Step 3: Cross multiply
    354,586.20x = 531,927.90 × 117,904.20
  4. Step 4: Simplify right side
    354,586.20x = 62,716,533,507.18
  5. Step 5: Solve for x
    x = 62,716,533,507.18/354,586.20
  6. Step 6: Final answer
    x = 176,872.46

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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.