Home / 124,239.18-171,450.36-67,649.34

Finding the Fourth Proportional to 124,239.18, 171,450.36 and 67,649.34

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Solution

The fourth proportional to 124,239.18, 171,450.36 and 67,649.34 is: 93,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,239.18 : 171,450.36 = 67,649.34 : x
  2. Step 2: Convert to fraction form
    124,239.18/171,450.36 = 67,649.34/x
  3. Step 3: Cross multiply
    124,239.18x = 171,450.36 × 67,649.34
  4. Step 4: Simplify right side
    124,239.18x = 11,598,503,696.76
  5. Step 5: Solve for x
    x = 11,598,503,696.76/124,239.18
  6. Step 6: Final answer
    x = 93,356.25

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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.