Home / 140,515.64-193,907.45-76,852.06

Finding the Fourth Proportional to 140,515.64, 193,907.45 and 76,852.06

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Solution

The fourth proportional to 140,515.64, 193,907.45 and 76,852.06 is: 106,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,515.64 : 193,907.45 = 76,852.06 : x
  2. Step 2: Convert to fraction form
    140,515.64/193,907.45 = 76,852.06/x
  3. Step 3: Cross multiply
    140,515.64x = 193,907.45 × 76,852.06
  4. Step 4: Simplify right side
    140,515.64x = 14,902,186,981.85
  5. Step 5: Solve for x
    x = 14,902,186,981.85/140,515.64
  6. Step 6: Final answer
    x = 106,053.58

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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.