Home / 153,626.22-211,822.83-105,251.34

Finding the Fourth Proportional to 153,626.22, 211,822.83 and 105,251.34

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Solution

The fourth proportional to 153,626.22, 211,822.83 and 105,251.34 is: 145,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,626.22 : 211,822.83 = 105,251.34 : x
  2. Step 2: Convert to fraction form
    153,626.22/211,822.83 = 105,251.34/x
  3. Step 3: Cross multiply
    153,626.22x = 211,822.83 × 105,251.34
  4. Step 4: Simplify right side
    153,626.22x = 22,294,636,700.09
  5. Step 5: Solve for x
    x = 22,294,636,700.09/153,626.22
  6. Step 6: Final answer
    x = 145,122.60

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1.5x scale

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.