Home / 132,160.98-182,130.75-129,732.06

Finding the Fourth Proportional to 132,160.98, 182,130.75 and 129,732.06

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Solution

The fourth proportional to 132,160.98, 182,130.75 and 129,732.06 is: 178,783.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,160.98 : 182,130.75 = 129,732.06 : x
  2. Step 2: Convert to fraction form
    132,160.98/182,130.75 = 129,732.06/x
  3. Step 3: Cross multiply
    132,160.98x = 182,130.75 × 129,732.06
  4. Step 4: Simplify right side
    132,160.98x = 23,628,197,386.85
  5. Step 5: Solve for x
    x = 23,628,197,386.85/132,160.98
  6. Step 6: Final answer
    x = 178,783.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.