Home / 107,057.03-147,679.18-84,312.23

Finding the Fourth Proportional to 107,057.03, 147,679.18 and 84,312.23

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Solution

The fourth proportional to 107,057.03, 147,679.18 and 84,312.23 is: 116,304.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,057.03 : 147,679.18 = 84,312.23 : x
  2. Step 2: Convert to fraction form
    107,057.03/147,679.18 = 84,312.23/x
  3. Step 3: Cross multiply
    107,057.03x = 147,679.18 × 84,312.23
  4. Step 4: Simplify right side
    107,057.03x = 12,451,160,990.37
  5. Step 5: Solve for x
    x = 12,451,160,990.37/107,057.03
  6. Step 6: Final answer
    x = 116,304.00

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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.