Home / 173,068.21-238,813.77-100,454.32

Finding the Fourth Proportional to 173,068.21, 238,813.77 and 100,454.32

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Solution

The fourth proportional to 173,068.21, 238,813.77 and 100,454.32 is: 138,615.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,068.21 : 238,813.77 = 100,454.32 : x
  2. Step 2: Convert to fraction form
    173,068.21/238,813.77 = 100,454.32/x
  3. Step 3: Cross multiply
    173,068.21x = 238,813.77 × 100,454.32
  4. Step 4: Simplify right side
    173,068.21x = 23,989,874,871.99
  5. Step 5: Solve for x
    x = 23,989,874,871.99/173,068.21
  6. Step 6: Final answer
    x = 138,615.14

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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.