Home / 140,492.90-193,821.40-92,106.45

Finding the Fourth Proportional to 140,492.90, 193,821.40 and 92,106.45

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Solution

The fourth proportional to 140,492.90, 193,821.40 and 92,106.45 is: 127,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,492.90 : 193,821.40 = 92,106.45 : x
  2. Step 2: Convert to fraction form
    140,492.90/193,821.40 = 92,106.45/x
  3. Step 3: Cross multiply
    140,492.90x = 193,821.40 × 92,106.45
  4. Step 4: Simplify right side
    140,492.90x = 17,852,199,658.39
  5. Step 5: Solve for x
    x = 17,852,199,658.39/140,492.90
  6. Step 6: Final answer
    x = 127,068.34

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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.