Home / 137,768.34-190,107.30-77,327.18

Finding the Fourth Proportional to 137,768.34, 190,107.30 and 77,327.18

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Solution

The fourth proportional to 137,768.34, 190,107.30 and 77,327.18 is: 106,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,768.34 : 190,107.30 = 77,327.18 : x
  2. Step 2: Convert to fraction form
    137,768.34/190,107.30 = 77,327.18/x
  3. Step 3: Cross multiply
    137,768.34x = 190,107.30 × 77,327.18
  4. Step 4: Simplify right side
    137,768.34x = 14,700,461,458.76
  5. Step 5: Solve for x
    x = 14,700,461,458.76/137,768.34
  6. Step 6: Final answer
    x = 106,704.20

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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.