Home / 261,779.51-361,255.50-148,602.26

Finding the Fourth Proportional to 261,779.51, 361,255.50 and 148,602.26

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Solution

The fourth proportional to 261,779.51, 361,255.50 and 148,602.26 is: 205,070.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,779.51 : 361,255.50 = 148,602.26 : x
  2. Step 2: Convert to fraction form
    261,779.51/361,255.50 = 148,602.26/x
  3. Step 3: Cross multiply
    261,779.51x = 361,255.50 × 148,602.26
  4. Step 4: Simplify right side
    261,779.51x = 53,683,384,640.57
  5. Step 5: Solve for x
    x = 53,683,384,640.57/261,779.51
  6. Step 6: Final answer
    x = 205,070.99

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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.