Home / 285,365.32-393,558.40-177,823.24

Finding the Fourth Proportional to 285,365.32, 393,558.40 and 177,823.24

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Solution

The fourth proportional to 285,365.32, 393,558.40 and 177,823.24 is: 245,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,365.32 : 393,558.40 = 177,823.24 : x
  2. Step 2: Convert to fraction form
    285,365.32/393,558.40 = 177,823.24/x
  3. Step 3: Cross multiply
    285,365.32x = 393,558.40 × 177,823.24
  4. Step 4: Simplify right side
    285,365.32x = 69,983,829,817.22
  5. Step 5: Solve for x
    x = 69,983,829,817.22/285,365.32
  6. Step 6: Final answer
    x = 245,242.94

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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.