Home / 184,864.14-255,112.34-99,981

Finding the Fourth Proportional to 184,864.14, 255,112.34 and 99,981

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Solution

The fourth proportional to 184,864.14, 255,112.34 and 99,981 is: 137,973.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,864.14 : 255,112.34 = 99,981 : x
  2. Step 2: Convert to fraction form
    184,864.14/255,112.34 = 99,981/x
  3. Step 3: Cross multiply
    184,864.14x = 255,112.34 × 99,981
  4. Step 4: Simplify right side
    184,864.14x = 25,506,386,365.64
  5. Step 5: Solve for x
    x = 25,506,386,365.64/184,864.14
  6. Step 6: Final answer
    x = 137,973.68

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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.