Home / 140,191.70-193,533.93-86,506.29

Finding the Fourth Proportional to 140,191.70, 193,533.93 and 86,506.29

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Solution

The fourth proportional to 140,191.70, 193,533.93 and 86,506.29 is: 119,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,191.70 : 193,533.93 = 86,506.29 : x
  2. Step 2: Convert to fraction form
    140,191.70/193,533.93 = 86,506.29/x
  3. Step 3: Cross multiply
    140,191.70x = 193,533.93 × 86,506.29
  4. Step 4: Simplify right side
    140,191.70x = 16,741,902,273.42
  5. Step 5: Solve for x
    x = 16,741,902,273.42/140,191.70
  6. Step 6: Final answer
    x = 119,421.50

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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.