Home / 184,621.68-254,778.12-99,738.72

Finding the Fourth Proportional to 184,621.68, 254,778.12 and 99,738.72

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Solution

The fourth proportional to 184,621.68, 254,778.12 and 99,738.72 is: 137,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,621.68 : 254,778.12 = 99,738.72 : x
  2. Step 2: Convert to fraction form
    184,621.68/254,778.12 = 99,738.72/x
  3. Step 3: Cross multiply
    184,621.68x = 254,778.12 × 99,738.72
  4. Step 4: Simplify right side
    184,621.68x = 25,411,243,572.81
  5. Step 5: Solve for x
    x = 25,411,243,572.81/184,621.68
  6. Step 6: Final answer
    x = 137,639.54

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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.