Home / 140,115.33-193,303.60-86,307.03

Finding the Fourth Proportional to 140,115.33, 193,303.60 and 86,307.03

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Solution

The fourth proportional to 140,115.33, 193,303.60 and 86,307.03 is: 119,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,115.33 : 193,303.60 = 86,307.03 : x
  2. Step 2: Convert to fraction form
    140,115.33/193,303.60 = 86,307.03/x
  3. Step 3: Cross multiply
    140,115.33x = 193,303.60 × 86,307.03
  4. Step 4: Simplify right side
    140,115.33x = 16,683,459,388.54
  5. Step 5: Solve for x
    x = 16,683,459,388.54/140,115.33
  6. Step 6: Final answer
    x = 119,069.48

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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.