Home / 236,257.40-353,802.90-156,942.20

Finding the Fourth Proportional to 236,257.40, 353,802.90 and 156,942.20

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Solution

The fourth proportional to 236,257.40, 353,802.90 and 156,942.20 is: 235,025.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,257.40 : 353,802.90 = 156,942.20 : x
  2. Step 2: Convert to fraction form
    236,257.40/353,802.90 = 156,942.20/x
  3. Step 3: Cross multiply
    236,257.40x = 353,802.90 × 156,942.20
  4. Step 4: Simplify right side
    236,257.40x = 55,526,605,492.38
  5. Step 5: Solve for x
    x = 55,526,605,492.38/236,257.40
  6. Step 6: Final answer
    x = 235,025.89

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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.