Home / 140,369.04-193,706.08-76,707.22

Finding the Fourth Proportional to 140,369.04, 193,706.08 and 76,707.22

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Solution

The fourth proportional to 140,369.04, 193,706.08 and 76,707.22 is: 105,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,369.04 : 193,706.08 = 76,707.22 : x
  2. Step 2: Convert to fraction form
    140,369.04/193,706.08 = 76,707.22/x
  3. Step 3: Cross multiply
    140,369.04x = 193,706.08 × 76,707.22
  4. Step 4: Simplify right side
    140,369.04x = 14,858,654,893.90
  5. Step 5: Solve for x
    x = 14,858,654,893.90/140,369.04
  6. Step 6: Final answer
    x = 105,854.22

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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.