Home / 257,923.47-386,962.09-123,088.77

Finding the Fourth Proportional to 257,923.47, 386,962.09 and 123,088.77

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Solution

The fourth proportional to 257,923.47, 386,962.09 and 123,088.77 is: 184,669.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,923.47 : 386,962.09 = 123,088.77 : x
  2. Step 2: Convert to fraction form
    257,923.47/386,962.09 = 123,088.77/x
  3. Step 3: Cross multiply
    257,923.47x = 386,962.09 × 123,088.77
  4. Step 4: Simplify right side
    257,923.47x = 47,630,687,387.01
  5. Step 5: Solve for x
    x = 47,630,687,387.01/257,923.47
  6. Step 6: Final answer
    x = 184,669.84

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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.