Home / 139,386.02-192,245.69-93,992.12

Finding the Fourth Proportional to 139,386.02, 192,245.69 and 93,992.12

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Solution

The fourth proportional to 139,386.02, 192,245.69 and 93,992.12 is: 129,636.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,386.02 : 192,245.69 = 93,992.12 : x
  2. Step 2: Convert to fraction form
    139,386.02/192,245.69 = 93,992.12/x
  3. Step 3: Cross multiply
    139,386.02x = 192,245.69 × 93,992.12
  4. Step 4: Simplify right side
    139,386.02x = 18,069,579,237.71
  5. Step 5: Solve for x
    x = 18,069,579,237.71/139,386.02
  6. Step 6: Final answer
    x = 129,636.95

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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.