Home / 112,023.20-168,034.80-102,346.40

Finding the Fourth Proportional to 112,023.20, 168,034.80 and 102,346.40

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Solution

The fourth proportional to 112,023.20, 168,034.80 and 102,346.40 is: 153,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,023.20 : 168,034.80 = 102,346.40 : x
  2. Step 2: Convert to fraction form
    112,023.20/168,034.80 = 102,346.40/x
  3. Step 3: Cross multiply
    112,023.20x = 168,034.80 × 102,346.40
  4. Step 4: Simplify right side
    112,023.20x = 17,197,756,854.72
  5. Step 5: Solve for x
    x = 17,197,756,854.72/112,023.20
  6. Step 6: Final answer
    x = 153,519.60

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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.