Home / 147,623.10-221,434.65-108,257.10

Finding the Fourth Proportional to 147,623.10, 221,434.65 and 108,257.10

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Solution

The fourth proportional to 147,623.10, 221,434.65 and 108,257.10 is: 162,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623.10 : 221,434.65 = 108,257.10 : x
  2. Step 2: Convert to fraction form
    147,623.10/221,434.65 = 108,257.10/x
  3. Step 3: Cross multiply
    147,623.10x = 221,434.65 × 108,257.10
  4. Step 4: Simplify right side
    147,623.10x = 23,971,873,048.52
  5. Step 5: Solve for x
    x = 23,971,873,048.52/147,623.10
  6. Step 6: Final answer
    x = 162,385.65

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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.