Home / 118,808.02-178,228.41-39,928.33

Finding the Fourth Proportional to 118,808.02, 178,228.41 and 39,928.33

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Solution

The fourth proportional to 118,808.02, 178,228.41 and 39,928.33 is: 59,898.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,808.02 : 178,228.41 = 39,928.33 : x
  2. Step 2: Convert to fraction form
    118,808.02/178,228.41 = 39,928.33/x
  3. Step 3: Cross multiply
    118,808.02x = 178,228.41 × 39,928.33
  4. Step 4: Simplify right side
    118,808.02x = 7,116,362,769.86
  5. Step 5: Solve for x
    x = 7,116,362,769.86/118,808.02
  6. Step 6: Final answer
    x = 59,898.00

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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.