Home / 147,645.63-221,503.73-47,805.93

Finding the Fourth Proportional to 147,645.63, 221,503.73 and 47,805.93

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Solution

The fourth proportional to 147,645.63, 221,503.73 and 47,805.93 is: 71,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,645.63 : 221,503.73 = 47,805.93 : x
  2. Step 2: Convert to fraction form
    147,645.63/221,503.73 = 47,805.93/x
  3. Step 3: Cross multiply
    147,645.63x = 221,503.73 × 47,805.93
  4. Step 4: Simplify right side
    147,645.63x = 10,589,191,572.09
  5. Step 5: Solve for x
    x = 10,589,191,572.09/147,645.63
  6. Step 6: Final answer
    x = 71,720.32

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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.