Home / 117,820.32-176,763.42-38,990.04

Finding the Fourth Proportional to 117,820.32, 176,763.42 and 38,990.04

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Solution

The fourth proportional to 117,820.32, 176,763.42 and 38,990.04 is: 58,495.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,820.32 : 176,763.42 = 38,990.04 : x
  2. Step 2: Convert to fraction form
    117,820.32/176,763.42 = 38,990.04/x
  3. Step 3: Cross multiply
    117,820.32x = 176,763.42 × 38,990.04
  4. Step 4: Simplify right side
    117,820.32x = 6,892,012,816.34
  5. Step 5: Solve for x
    x = 6,892,012,816.34/117,820.32
  6. Step 6: Final answer
    x = 58,495.96

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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.