Home / 136,996.04-189,050.98-76,567.18

Finding the Fourth Proportional to 136,996.04, 189,050.98 and 76,567.18

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Solution

The fourth proportional to 136,996.04, 189,050.98 and 76,567.18 is: 105,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,996.04 : 189,050.98 = 76,567.18 : x
  2. Step 2: Convert to fraction form
    136,996.04/189,050.98 = 76,567.18/x
  3. Step 3: Cross multiply
    136,996.04x = 189,050.98 × 76,567.18
  4. Step 4: Simplify right side
    136,996.04x = 14,475,100,414.84
  5. Step 5: Solve for x
    x = 14,475,100,414.84/136,996.04
  6. Step 6: Final answer
    x = 105,660.72

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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.