Home / 142,432.02-213,497.37-53,647.11

Finding the Fourth Proportional to 142,432.02, 213,497.37 and 53,647.11

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Solution

The fourth proportional to 142,432.02, 213,497.37 and 53,647.11 is: 80,413.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,432.02 : 213,497.37 = 53,647.11 : x
  2. Step 2: Convert to fraction form
    142,432.02/213,497.37 = 53,647.11/x
  3. Step 3: Cross multiply
    142,432.02x = 213,497.37 × 53,647.11
  4. Step 4: Simplify right side
    142,432.02x = 11,453,516,893.10
  5. Step 5: Solve for x
    x = 11,453,516,893.10/142,432.02
  6. Step 6: Final answer
    x = 80,413.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.