Home / 184,424.80-276,637.20-128,437.60

Finding the Fourth Proportional to 184,424.80, 276,637.20 and 128,437.60

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Solution

The fourth proportional to 184,424.80, 276,637.20 and 128,437.60 is: 192,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,424.80 : 276,637.20 = 128,437.60 : x
  2. Step 2: Convert to fraction form
    184,424.80/276,637.20 = 128,437.60/x
  3. Step 3: Cross multiply
    184,424.80x = 276,637.20 × 128,437.60
  4. Step 4: Simplify right side
    184,424.80x = 35,530,618,038.72
  5. Step 5: Solve for x
    x = 35,530,618,038.72/184,424.80
  6. Step 6: Final answer
    x = 192,656.40

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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.