Home / 137,615.16-189,962.94-92,276.58

Finding the Fourth Proportional to 137,615.16, 189,962.94 and 92,276.58

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Solution

The fourth proportional to 137,615.16, 189,962.94 and 92,276.58 is: 127,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,615.16 : 189,962.94 = 92,276.58 : x
  2. Step 2: Convert to fraction form
    137,615.16/189,962.94 = 92,276.58/x
  3. Step 3: Cross multiply
    137,615.16x = 189,962.94 × 92,276.58
  4. Step 4: Simplify right side
    137,615.16x = 17,529,130,429.95
  5. Step 5: Solve for x
    x = 17,529,130,429.95/137,615.16
  6. Step 6: Final answer
    x = 127,377.90

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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.