Home / 107,056.03-147,677.80-84,311.23

Finding the Fourth Proportional to 107,056.03, 147,677.80 and 84,311.23

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Solution

The fourth proportional to 107,056.03, 147,677.80 and 84,311.23 is: 116,302.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,056.03 : 147,677.80 = 84,311.23 : x
  2. Step 2: Convert to fraction form
    107,056.03/147,677.80 = 84,311.23/x
  3. Step 3: Cross multiply
    107,056.03x = 147,677.80 × 84,311.23
  4. Step 4: Simplify right side
    107,056.03x = 12,450,896,961.69
  5. Step 5: Solve for x
    x = 12,450,896,961.69/107,056.03
  6. Step 6: Final answer
    x = 116,302.62

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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.