Home / 307,004.48-459,656.40-156,921.60

Finding the Fourth Proportional to 307,004.48, 459,656.40 and 156,921.60

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Solution

The fourth proportional to 307,004.48, 459,656.40 and 156,921.60 is: 234,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,004.48 : 459,656.40 = 156,921.60 : x
  2. Step 2: Convert to fraction form
    307,004.48/459,656.40 = 156,921.60/x
  3. Step 3: Cross multiply
    307,004.48x = 459,656.40 × 156,921.60
  4. Step 4: Simplify right side
    307,004.48x = 72,130,017,738.24
  5. Step 5: Solve for x
    x = 72,130,017,738.24/307,004.48
  6. Step 6: Final answer
    x = 234,947.77

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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.