Home / 144,629.10-216,943.65-131,726.70

Finding the Fourth Proportional to 144,629.10, 216,943.65 and 131,726.70

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Solution

The fourth proportional to 144,629.10, 216,943.65 and 131,726.70 is: 197,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,629.10 : 216,943.65 = 131,726.70 : x
  2. Step 2: Convert to fraction form
    144,629.10/216,943.65 = 131,726.70/x
  3. Step 3: Cross multiply
    144,629.10x = 216,943.65 × 131,726.70
  4. Step 4: Simplify right side
    144,629.10x = 28,577,271,100.46
  5. Step 5: Solve for x
    x = 28,577,271,100.46/144,629.10
  6. Step 6: Final answer
    x = 197,590.05

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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.