Home / 141,222.80-211,726.20-71,152.40

Finding the Fourth Proportional to 141,222.80, 211,726.20 and 71,152.40

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Solution

The fourth proportional to 141,222.80, 211,726.20 and 71,152.40 is: 106,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,222.80 : 211,726.20 = 71,152.40 : x
  2. Step 2: Convert to fraction form
    141,222.80/211,726.20 = 71,152.40/x
  3. Step 3: Cross multiply
    141,222.80x = 211,726.20 × 71,152.40
  4. Step 4: Simplify right side
    141,222.80x = 15,064,827,272.88
  5. Step 5: Solve for x
    x = 15,064,827,272.88/141,222.80
  6. Step 6: Final answer
    x = 106,674.19

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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.