Home / 147,928.80-221,893.20-124,514.40

Finding the Fourth Proportional to 147,928.80, 221,893.20 and 124,514.40

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Solution

The fourth proportional to 147,928.80, 221,893.20 and 124,514.40 is: 186,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,928.80 : 221,893.20 = 124,514.40 : x
  2. Step 2: Convert to fraction form
    147,928.80/221,893.20 = 124,514.40/x
  3. Step 3: Cross multiply
    147,928.80x = 221,893.20 × 124,514.40
  4. Step 4: Simplify right side
    147,928.80x = 27,628,898,662.08
  5. Step 5: Solve for x
    x = 27,628,898,662.08/147,928.80
  6. Step 6: Final answer
    x = 186,771.60

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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.