Home / 156,852.50-216,457.64-85,232.91

Finding the Fourth Proportional to 156,852.50, 216,457.64 and 85,232.91

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Solution

The fourth proportional to 156,852.50, 216,457.64 and 85,232.91 is: 117,622.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,852.50 : 216,457.64 = 85,232.91 : x
  2. Step 2: Convert to fraction form
    156,852.50/216,457.64 = 85,232.91/x
  3. Step 3: Cross multiply
    156,852.50x = 216,457.64 × 85,232.91
  4. Step 4: Simplify right side
    156,852.50x = 18,449,314,762.01
  5. Step 5: Solve for x
    x = 18,449,314,762.01/156,852.50
  6. Step 6: Final answer
    x = 117,622.06

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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.