Home / 350,177.64-525,430.50-172,587.84

Finding the Fourth Proportional to 350,177.64, 525,430.50 and 172,587.84

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Solution

The fourth proportional to 350,177.64, 525,430.50 and 172,587.84 is: 258,962.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,177.64 : 525,430.50 = 172,587.84 : x
  2. Step 2: Convert to fraction form
    350,177.64/525,430.50 = 172,587.84/x
  3. Step 3: Cross multiply
    350,177.64x = 525,430.50 × 172,587.84
  4. Step 4: Simplify right side
    350,177.64x = 90,682,915,065.12
  5. Step 5: Solve for x
    x = 90,682,915,065.12/350,177.64
  6. Step 6: Final answer
    x = 258,962.61

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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.