Home / 285,534.95-393,890.83-193,623.16

Finding the Fourth Proportional to 285,534.95, 393,890.83 and 193,623.16

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Solution

The fourth proportional to 285,534.95, 393,890.83 and 193,623.16 is: 267,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,534.95 : 393,890.83 = 193,623.16 : x
  2. Step 2: Convert to fraction form
    285,534.95/393,890.83 = 193,623.16/x
  3. Step 3: Cross multiply
    285,534.95x = 393,890.83 × 193,623.16
  4. Step 4: Simplify right side
    285,534.95x = 76,266,387,199.62
  5. Step 5: Solve for x
    x = 76,266,387,199.62/285,534.95
  6. Step 6: Final answer
    x = 267,100.01

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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.