Home / 156,848.63-216,452.47-85,228.65

Finding the Fourth Proportional to 156,848.63, 216,452.47 and 85,228.65

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Solution

The fourth proportional to 156,848.63, 216,452.47 and 85,228.65 is: 117,616.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,848.63 : 216,452.47 = 85,228.65 : x
  2. Step 2: Convert to fraction form
    156,848.63/216,452.47 = 85,228.65/x
  3. Step 3: Cross multiply
    156,848.63x = 216,452.47 × 85,228.65
  4. Step 4: Simplify right side
    156,848.63x = 18,447,951,807.27
  5. Step 5: Solve for x
    x = 18,447,951,807.27/156,848.63
  6. Step 6: Final answer
    x = 117,616.28

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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.