Home / 156,052.90-233,980.93-85,981.42

Finding the Fourth Proportional to 156,052.90, 233,980.93 and 85,981.42

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Solution

The fourth proportional to 156,052.90, 233,980.93 and 85,981.42 is: 128,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,052.90 : 233,980.93 = 85,981.42 : x
  2. Step 2: Convert to fraction form
    156,052.90/233,980.93 = 85,981.42/x
  3. Step 3: Cross multiply
    156,052.90x = 233,980.93 × 85,981.42
  4. Step 4: Simplify right side
    156,052.90x = 20,118,011,014.51
  5. Step 5: Solve for x
    x = 20,118,011,014.51/156,052.90
  6. Step 6: Final answer
    x = 128,917.90

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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.