Home / 189,845.48-262,038.74-118,182.92

Finding the Fourth Proportional to 189,845.48, 262,038.74 and 118,182.92

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Solution

The fourth proportional to 189,845.48, 262,038.74 and 118,182.92 is: 163,124.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,845.48 : 262,038.74 = 118,182.92 : x
  2. Step 2: Convert to fraction form
    189,845.48/262,038.74 = 118,182.92/x
  3. Step 3: Cross multiply
    189,845.48x = 262,038.74 × 118,182.92
  4. Step 4: Simplify right side
    189,845.48x = 30,968,503,446.32
  5. Step 5: Solve for x
    x = 30,968,503,446.32/189,845.48
  6. Step 6: Final answer
    x = 163,124.79

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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.