Home / 173,890.22-239,971.00-101,291.25

Finding the Fourth Proportional to 173,890.22, 239,971.00 and 101,291.25

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Solution

The fourth proportional to 173,890.22, 239,971.00 and 101,291.25 is: 139,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,890.22 : 239,971.00 = 101,291.25 : x
  2. Step 2: Convert to fraction form
    173,890.22/239,971.00 = 101,291.25/x
  3. Step 3: Cross multiply
    173,890.22x = 239,971.00 × 101,291.25
  4. Step 4: Simplify right side
    173,890.22x = 24,306,962,300.52
  5. Step 5: Solve for x
    x = 24,306,962,300.52/173,890.22
  6. Step 6: Final answer
    x = 139,783.38

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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.