Home / 172,570.08-258,917.40-60,266.82

Finding the Fourth Proportional to 172,570.08, 258,917.40 and 60,266.82

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Solution

The fourth proportional to 172,570.08, 258,917.40 and 60,266.82 is: 90,421.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,570.08 : 258,917.40 = 60,266.82 : x
  2. Step 2: Convert to fraction form
    172,570.08/258,917.40 = 60,266.82/x
  3. Step 3: Cross multiply
    172,570.08x = 258,917.40 × 60,266.82
  4. Step 4: Simplify right side
    172,570.08x = 15,604,128,340.67
  5. Step 5: Solve for x
    x = 15,604,128,340.67/172,570.08
  6. Step 6: Final answer
    x = 90,421.98

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1.5x scale

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.