Home / 156,813.21-216,386.58-88,816.59

Finding the Fourth Proportional to 156,813.21, 216,386.58 and 88,816.59

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Solution

The fourth proportional to 156,813.21, 216,386.58 and 88,816.59 is: 122,558.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,813.21 : 216,386.58 = 88,816.59 : x
  2. Step 2: Convert to fraction form
    156,813.21/216,386.58 = 88,816.59/x
  3. Step 3: Cross multiply
    156,813.21x = 216,386.58 × 88,816.59
  4. Step 4: Simplify right side
    156,813.21x = 19,218,718,157.36
  5. Step 5: Solve for x
    x = 19,218,718,157.36/156,813.21
  6. Step 6: Final answer
    x = 122,558.03

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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.