Home / 112,650.10-168,802.35-97,789.30

Finding the Fourth Proportional to 112,650.10, 168,802.35 and 97,789.30

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Solution

The fourth proportional to 112,650.10, 168,802.35 and 97,789.30 is: 146,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,650.10 : 168,802.35 = 97,789.30 : x
  2. Step 2: Convert to fraction form
    112,650.10/168,802.35 = 97,789.30/x
  3. Step 3: Cross multiply
    112,650.10x = 168,802.35 × 97,789.30
  4. Step 4: Simplify right side
    112,650.10x = 16,507,063,644.86
  5. Step 5: Solve for x
    x = 16,507,063,644.86/112,650.10
  6. Step 6: Final answer
    x = 146,533.95

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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.