Home / 189,847.48-262,041.50-118,184.92

Finding the Fourth Proportional to 189,847.48, 262,041.50 and 118,184.92

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Solution

The fourth proportional to 189,847.48, 262,041.50 and 118,184.92 is: 163,127.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,847.48 : 262,041.50 = 118,184.92 : x
  2. Step 2: Convert to fraction form
    189,847.48/262,041.50 = 118,184.92/x
  3. Step 3: Cross multiply
    189,847.48x = 262,041.50 × 118,184.92
  4. Step 4: Simplify right side
    189,847.48x = 30,969,353,714.18
  5. Step 5: Solve for x
    x = 30,969,353,714.18/189,847.48
  6. Step 6: Final answer
    x = 163,127.55

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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.