Home / 236,865.60-355,298.40-157,723.20

Finding the Fourth Proportional to 236,865.60, 355,298.40 and 157,723.20

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Solution

The fourth proportional to 236,865.60, 355,298.40 and 157,723.20 is: 236,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,865.60 : 355,298.40 = 157,723.20 : x
  2. Step 2: Convert to fraction form
    236,865.60/355,298.40 = 157,723.20/x
  3. Step 3: Cross multiply
    236,865.60x = 355,298.40 × 157,723.20
  4. Step 4: Simplify right side
    236,865.60x = 56,038,800,602.88
  5. Step 5: Solve for x
    x = 56,038,800,602.88/236,865.60
  6. Step 6: Final answer
    x = 236,584.80

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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.