Home / 134,101.41-200,915.65-70,782.04

Finding the Fourth Proportional to 134,101.41, 200,915.65 and 70,782.04

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Solution

The fourth proportional to 134,101.41, 200,915.65 and 70,782.04 is: 106,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,101.41 : 200,915.65 = 70,782.04 : x
  2. Step 2: Convert to fraction form
    134,101.41/200,915.65 = 70,782.04/x
  3. Step 3: Cross multiply
    134,101.41x = 200,915.65 × 70,782.04
  4. Step 4: Simplify right side
    134,101.41x = 14,221,219,574.93
  5. Step 5: Solve for x
    x = 14,221,219,574.93/134,101.41
  6. Step 6: Final answer
    x = 106,048.25

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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.