Home / 156,987.15-235,480.73-57,150.60

Finding the Fourth Proportional to 156,987.15, 235,480.73 and 57,150.60

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Solution

The fourth proportional to 156,987.15, 235,480.73 and 57,150.60 is: 85,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,987.15 : 235,480.73 = 57,150.60 : x
  2. Step 2: Convert to fraction form
    156,987.15/235,480.73 = 57,150.60/x
  3. Step 3: Cross multiply
    156,987.15x = 235,480.73 × 57,150.60
  4. Step 4: Simplify right side
    156,987.15x = 13,457,864,722.19
  5. Step 5: Solve for x
    x = 13,457,864,722.19/156,987.15
  6. Step 6: Final answer
    x = 85,725.90

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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.