Home / 184,864.32-255,112.76-99,981.38

Finding the Fourth Proportional to 184,864.32, 255,112.76 and 99,981.38

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Solution

The fourth proportional to 184,864.32, 255,112.76 and 99,981.38 is: 137,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,864.32 : 255,112.76 = 99,981.38 : x
  2. Step 2: Convert to fraction form
    184,864.32/255,112.76 = 99,981.38/x
  3. Step 3: Cross multiply
    184,864.32x = 255,112.76 × 99,981.38
  4. Step 4: Simplify right side
    184,864.32x = 25,506,524,024.94
  5. Step 5: Solve for x
    x = 25,506,524,024.94/184,864.32
  6. Step 6: Final answer
    x = 137,974.29

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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.