Home / 157,628.60-236,442.90-143,113.40

Finding the Fourth Proportional to 157,628.60, 236,442.90 and 143,113.40

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Solution

The fourth proportional to 157,628.60, 236,442.90 and 143,113.40 is: 214,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,628.60 : 236,442.90 = 143,113.40 : x
  2. Step 2: Convert to fraction form
    157,628.60/236,442.90 = 143,113.40/x
  3. Step 3: Cross multiply
    157,628.60x = 236,442.90 × 143,113.40
  4. Step 4: Simplify right side
    157,628.60x = 33,838,147,324.86
  5. Step 5: Solve for x
    x = 33,838,147,324.86/157,628.60
  6. Step 6: Final answer
    x = 214,670.10

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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.