Home / 132,045.04-182,009.94-103,315.14

Finding the Fourth Proportional to 132,045.04, 182,009.94 and 103,315.14

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Solution

The fourth proportional to 132,045.04, 182,009.94 and 103,315.14 is: 142,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,045.04 : 182,009.94 = 103,315.14 : x
  2. Step 2: Convert to fraction form
    132,045.04/182,009.94 = 103,315.14/x
  3. Step 3: Cross multiply
    132,045.04x = 182,009.94 × 103,315.14
  4. Step 4: Simplify right side
    132,045.04x = 18,804,382,432.49
  5. Step 5: Solve for x
    x = 18,804,382,432.49/132,045.04
  6. Step 6: Final answer
    x = 142,408.85

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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.