Home / 158,943.80-238,415.70-70,151.60

Finding the Fourth Proportional to 158,943.80, 238,415.70 and 70,151.60

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Solution

The fourth proportional to 158,943.80, 238,415.70 and 70,151.60 is: 105,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,943.80 : 238,415.70 = 70,151.60 : x
  2. Step 2: Convert to fraction form
    158,943.80/238,415.70 = 70,151.60/x
  3. Step 3: Cross multiply
    158,943.80x = 238,415.70 × 70,151.60
  4. Step 4: Simplify right side
    158,943.80x = 16,725,242,820.12
  5. Step 5: Solve for x
    x = 16,725,242,820.12/158,943.80
  6. Step 6: Final answer
    x = 105,227.40

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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.