Home / 261,455.18-360,738.16-148,275.50

Finding the Fourth Proportional to 261,455.18, 360,738.16 and 148,275.50

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Solution

The fourth proportional to 261,455.18, 360,738.16 and 148,275.50 is: 204,580.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,455.18 : 360,738.16 = 148,275.50 : x
  2. Step 2: Convert to fraction form
    261,455.18/360,738.16 = 148,275.50/x
  3. Step 3: Cross multiply
    261,455.18x = 360,738.16 × 148,275.50
  4. Step 4: Simplify right side
    261,455.18x = 53,488,628,868.70
  5. Step 5: Solve for x
    x = 53,488,628,868.70/261,455.18
  6. Step 6: Final answer
    x = 204,580.49

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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.