Home / 156,852.35-216,457.61-85,232.37

Finding the Fourth Proportional to 156,852.35, 216,457.61 and 85,232.37

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Solution

The fourth proportional to 156,852.35, 216,457.61 and 85,232.37 is: 117,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,852.35 : 216,457.61 = 85,232.37 : x
  2. Step 2: Convert to fraction form
    156,852.35/216,457.61 = 85,232.37/x
  3. Step 3: Cross multiply
    156,852.35x = 216,457.61 × 85,232.37
  4. Step 4: Simplify right side
    156,852.35x = 18,449,194,678.67
  5. Step 5: Solve for x
    x = 18,449,194,678.67/156,852.35
  6. Step 6: Final answer
    x = 117,621.41

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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.