Home / 132,466.51-182,804.66-72,037.81

Finding the Fourth Proportional to 132,466.51, 182,804.66 and 72,037.81

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Solution

The fourth proportional to 132,466.51, 182,804.66 and 72,037.81 is: 99,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,466.51 : 182,804.66 = 72,037.81 : x
  2. Step 2: Convert to fraction form
    132,466.51/182,804.66 = 72,037.81/x
  3. Step 3: Cross multiply
    132,466.51x = 182,804.66 × 72,037.81
  4. Step 4: Simplify right side
    132,466.51x = 13,168,847,364.19
  5. Step 5: Solve for x
    x = 13,168,847,364.19/132,466.51
  6. Step 6: Final answer
    x = 99,412.65

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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.