Home / 285,285.40-393,454.65-183,327.46

Finding the Fourth Proportional to 285,285.40, 393,454.65 and 183,327.46

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Solution

The fourth proportional to 285,285.40, 393,454.65 and 183,327.46 is: 252,838.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,285.40 : 393,454.65 = 183,327.46 : x
  2. Step 2: Convert to fraction form
    285,285.40/393,454.65 = 183,327.46/x
  3. Step 3: Cross multiply
    285,285.40x = 393,454.65 × 183,327.46
  4. Step 4: Simplify right side
    285,285.40x = 72,131,041,609.69
  5. Step 5: Solve for x
    x = 72,131,041,609.69/285,285.40
  6. Step 6: Final answer
    x = 252,838.18

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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.