Home / 456,100.04-684,150-140,556.92

Finding the Fourth Proportional to 456,100.04, 684,150 and 140,556.92

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Solution

The fourth proportional to 456,100.04, 684,150 and 140,556.92 is: 210,835.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,100.04 : 684,150 = 140,556.92 : x
  2. Step 2: Convert to fraction form
    456,100.04/684,150 = 140,556.92/x
  3. Step 3: Cross multiply
    456,100.04x = 684,150 × 140,556.92
  4. Step 4: Simplify right side
    456,100.04x = 96,162,016,818.00
  5. Step 5: Solve for x
    x = 96,162,016,818.00/456,100.04
  6. Step 6: Final answer
    x = 210,835.36

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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.