Home / 132,570.13-182,946.80-72,954.13

Finding the Fourth Proportional to 132,570.13, 182,946.80 and 72,954.13

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Solution

The fourth proportional to 132,570.13, 182,946.80 and 72,954.13 is: 100,676.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,570.13 : 182,946.80 = 72,954.13 : x
  2. Step 2: Convert to fraction form
    132,570.13/182,946.80 = 72,954.13/x
  3. Step 3: Cross multiply
    132,570.13x = 182,946.80 × 72,954.13
  4. Step 4: Simplify right side
    132,570.13x = 13,346,724,630.28
  5. Step 5: Solve for x
    x = 13,346,724,630.28/132,570.13
  6. Step 6: Final answer
    x = 100,676.71

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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.