Home / 257,032.20-385,563.42-99,261.48

Finding the Fourth Proportional to 257,032.20, 385,563.42 and 99,261.48

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Solution

The fourth proportional to 257,032.20, 385,563.42 and 99,261.48 is: 148,898.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,032.20 : 385,563.42 = 99,261.48 : x
  2. Step 2: Convert to fraction form
    257,032.20/385,563.42 = 99,261.48/x
  3. Step 3: Cross multiply
    257,032.20x = 385,563.42 × 99,261.48
  4. Step 4: Simplify right side
    257,032.20x = 38,271,595,703.06
  5. Step 5: Solve for x
    x = 38,271,595,703.06/257,032.20
  6. Step 6: Final answer
    x = 148,898.06

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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.