Home / 156,076.96-215,606.52-124,205.08

Finding the Fourth Proportional to 156,076.96, 215,606.52 and 124,205.08

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Solution

The fourth proportional to 156,076.96, 215,606.52 and 124,205.08 is: 171,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,076.96 : 215,606.52 = 124,205.08 : x
  2. Step 2: Convert to fraction form
    156,076.96/215,606.52 = 124,205.08/x
  3. Step 3: Cross multiply
    156,076.96x = 215,606.52 × 124,205.08
  4. Step 4: Simplify right side
    156,076.96x = 26,779,425,065.12
  5. Step 5: Solve for x
    x = 26,779,425,065.12/156,076.96
  6. Step 6: Final answer
    x = 171,578.34

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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.