Home / 137,835.04-190,284.60-92,750.08

Finding the Fourth Proportional to 137,835.04, 190,284.60 and 92,750.08

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Solution

The fourth proportional to 137,835.04, 190,284.60 and 92,750.08 is: 128,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,835.04 : 190,284.60 = 92,750.08 : x
  2. Step 2: Convert to fraction form
    137,835.04/190,284.60 = 92,750.08/x
  3. Step 3: Cross multiply
    137,835.04x = 190,284.60 × 92,750.08
  4. Step 4: Simplify right side
    137,835.04x = 17,648,911,872.77
  5. Step 5: Solve for x
    x = 17,648,911,872.77/137,835.04
  6. Step 6: Final answer
    x = 128,043.72

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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.