Home / 148,515.83-205,031.48-114,699.34

Finding the Fourth Proportional to 148,515.83, 205,031.48 and 114,699.34

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Solution

The fourth proportional to 148,515.83, 205,031.48 and 114,699.34 is: 158,346.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,515.83 : 205,031.48 = 114,699.34 : x
  2. Step 2: Convert to fraction form
    148,515.83/205,031.48 = 114,699.34/x
  3. Step 3: Cross multiply
    148,515.83x = 205,031.48 × 114,699.34
  4. Step 4: Simplify right side
    148,515.83x = 23,516,975,440.61
  5. Step 5: Solve for x
    x = 23,516,975,440.61/148,515.83
  6. Step 6: Final answer
    x = 158,346.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.