Home / 127,546.80-191,312.10-43,306.80

Finding the Fourth Proportional to 127,546.80, 191,312.10 and 43,306.80

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Solution

The fourth proportional to 127,546.80, 191,312.10 and 43,306.80 is: 64,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,546.80 : 191,312.10 = 43,306.80 : x
  2. Step 2: Convert to fraction form
    127,546.80/191,312.10 = 43,306.80/x
  3. Step 3: Cross multiply
    127,546.80x = 191,312.10 × 43,306.80
  4. Step 4: Simplify right side
    127,546.80x = 8,285,114,852.28
  5. Step 5: Solve for x
    x = 8,285,114,852.28/127,546.80
  6. Step 6: Final answer
    x = 64,957.45

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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.