Home / 257,212.02-386,409.33-181,484.85

Finding the Fourth Proportional to 257,212.02, 386,409.33 and 181,484.85

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Solution

The fourth proportional to 257,212.02, 386,409.33 and 181,484.85 is: 272,644.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,212.02 : 386,409.33 = 181,484.85 : x
  2. Step 2: Convert to fraction form
    257,212.02/386,409.33 = 181,484.85/x
  3. Step 3: Cross multiply
    257,212.02x = 386,409.33 × 181,484.85
  4. Step 4: Simplify right side
    257,212.02x = 70,127,439,293.65
  5. Step 5: Solve for x
    x = 70,127,439,293.65/257,212.02
  6. Step 6: Final answer
    x = 272,644.49

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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.