Home / 158,706.13-237,933.94-78,688.92

Finding the Fourth Proportional to 158,706.13, 237,933.94 and 78,688.92

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Solution

The fourth proportional to 158,706.13, 237,933.94 and 78,688.92 is: 117,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,706.13 : 237,933.94 = 78,688.92 : x
  2. Step 2: Convert to fraction form
    158,706.13/237,933.94 = 78,688.92/x
  3. Step 3: Cross multiply
    158,706.13x = 237,933.94 × 78,688.92
  4. Step 4: Simplify right side
    158,706.13x = 18,722,764,274.64
  5. Step 5: Solve for x
    x = 18,722,764,274.64/158,706.13
  6. Step 6: Final answer
    x = 117,971.28

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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.