Home / 136,623.40-205,088.70-105,596.20

Finding the Fourth Proportional to 136,623.40, 205,088.70 and 105,596.20

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Solution

The fourth proportional to 136,623.40, 205,088.70 and 105,596.20 is: 158,513.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,623.40 : 205,088.70 = 105,596.20 : x
  2. Step 2: Convert to fraction form
    136,623.40/205,088.70 = 105,596.20/x
  3. Step 3: Cross multiply
    136,623.40x = 205,088.70 × 105,596.20
  4. Step 4: Simplify right side
    136,623.40x = 21,656,587,382.94
  5. Step 5: Solve for x
    x = 21,656,587,382.94/136,623.40
  6. Step 6: Final answer
    x = 158,513.02

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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.