Home / 189,943.24-262,173.50-118,280.92

Finding the Fourth Proportional to 189,943.24, 262,173.50 and 118,280.92

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Solution

The fourth proportional to 189,943.24, 262,173.50 and 118,280.92 is: 163,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,943.24 : 262,173.50 = 118,280.92 : x
  2. Step 2: Convert to fraction form
    189,943.24/262,173.50 = 118,280.92/x
  3. Step 3: Cross multiply
    189,943.24x = 262,173.50 × 118,280.92
  4. Step 4: Simplify right side
    189,943.24x = 31,010,122,779.62
  5. Step 5: Solve for x
    x = 31,010,122,779.62/189,943.24
  6. Step 6: Final answer
    x = 163,259.94

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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.