Home / 102,023.04-153,043.36-28,151.04

Finding the Fourth Proportional to 102,023.04, 153,043.36 and 28,151.04

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Solution

The fourth proportional to 102,023.04, 153,043.36 and 28,151.04 is: 42,228.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,023.04 : 153,043.36 = 28,151.04 : x
  2. Step 2: Convert to fraction form
    102,023.04/153,043.36 = 28,151.04/x
  3. Step 3: Cross multiply
    102,023.04x = 153,043.36 × 28,151.04
  4. Step 4: Simplify right side
    102,023.04x = 4,308,329,749.09
  5. Step 5: Solve for x
    x = 4,308,329,749.09/102,023.04
  6. Step 6: Final answer
    x = 42,228.99

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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.