Home / 156,054.40-233,983.18-85,982.92

Finding the Fourth Proportional to 156,054.40, 233,983.18 and 85,982.92

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Solution

The fourth proportional to 156,054.40, 233,983.18 and 85,982.92 is: 128,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,054.40 : 233,983.18 = 85,982.92 : x
  2. Step 2: Convert to fraction form
    156,054.40/233,983.18 = 85,982.92/x
  3. Step 3: Cross multiply
    156,054.40x = 233,983.18 × 85,982.92
  4. Step 4: Simplify right side
    156,054.40x = 20,118,557,047.29
  5. Step 5: Solve for x
    x = 20,118,557,047.29/156,054.40
  6. Step 6: Final answer
    x = 128,920.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.