Home / 184,985.86-255,280.71-100,102.92

Finding the Fourth Proportional to 184,985.86, 255,280.71 and 100,102.92

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Solution

The fourth proportional to 184,985.86, 255,280.71 and 100,102.92 is: 138,142.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,985.86 : 255,280.71 = 100,102.92 : x
  2. Step 2: Convert to fraction form
    184,985.86/255,280.71 = 100,102.92/x
  3. Step 3: Cross multiply
    184,985.86x = 255,280.71 × 100,102.92
  4. Step 4: Simplify right side
    184,985.86x = 25,554,345,344.71
  5. Step 5: Solve for x
    x = 25,554,345,344.71/184,985.86
  6. Step 6: Final answer
    x = 138,142.16

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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.