Home / 156,203.13-215,561.35-84,583.16

Finding the Fourth Proportional to 156,203.13, 215,561.35 and 84,583.16

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Solution

The fourth proportional to 156,203.13, 215,561.35 and 84,583.16 is: 116,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,203.13 : 215,561.35 = 84,583.16 : x
  2. Step 2: Convert to fraction form
    156,203.13/215,561.35 = 84,583.16/x
  3. Step 3: Cross multiply
    156,203.13x = 215,561.35 × 84,583.16
  4. Step 4: Simplify right side
    156,203.13x = 18,232,860,599.41
  5. Step 5: Solve for x
    x = 18,232,860,599.41/156,203.13
  6. Step 6: Final answer
    x = 116,725.32

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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.