Home / 156,739.14-216,302.52-88,754.27

Finding the Fourth Proportional to 156,739.14, 216,302.52 and 88,754.27

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Solution

The fourth proportional to 156,739.14, 216,302.52 and 88,754.27 is: 122,482.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,739.14 : 216,302.52 = 88,754.27 : x
  2. Step 2: Convert to fraction form
    156,739.14/216,302.52 = 88,754.27/x
  3. Step 3: Cross multiply
    156,739.14x = 216,302.52 × 88,754.27
  4. Step 4: Simplify right side
    156,739.14x = 19,197,772,261.76
  5. Step 5: Solve for x
    x = 19,197,772,261.76/156,739.14
  6. Step 6: Final answer
    x = 122,482.31

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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.