Home / 140,045.04-193,262.04-76,382.64

Finding the Fourth Proportional to 140,045.04, 193,262.04 and 76,382.64

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Solution

The fourth proportional to 140,045.04, 193,262.04 and 76,382.64 is: 105,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,045.04 : 193,262.04 = 76,382.64 : x
  2. Step 2: Convert to fraction form
    140,045.04/193,262.04 = 76,382.64/x
  3. Step 3: Cross multiply
    140,045.04x = 193,262.04 × 76,382.64
  4. Step 4: Simplify right side
    140,045.04x = 14,761,864,826.99
  5. Step 5: Solve for x
    x = 14,761,864,826.99/140,045.04
  6. Step 6: Final answer
    x = 105,407.98

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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.