Home / 156,548.47-216,036.98-84,928.49

Finding the Fourth Proportional to 156,548.47, 216,036.98 and 84,928.49

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Solution

The fourth proportional to 156,548.47, 216,036.98 and 84,928.49 is: 117,201.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,548.47 : 216,036.98 = 84,928.49 : x
  2. Step 2: Convert to fraction form
    156,548.47/216,036.98 = 84,928.49/x
  3. Step 3: Cross multiply
    156,548.47x = 216,036.98 × 84,928.49
  4. Step 4: Simplify right side
    156,548.47x = 18,347,693,714.28
  5. Step 5: Solve for x
    x = 18,347,693,714.28/156,548.47
  6. Step 6: Final answer
    x = 117,201.36

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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.