Home / 156,958.70-235,567.65-72,848.30

Finding the Fourth Proportional to 156,958.70, 235,567.65 and 72,848.30

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Solution

The fourth proportional to 156,958.70, 235,567.65 and 72,848.30 is: 109,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,958.70 : 235,567.65 = 72,848.30 : x
  2. Step 2: Convert to fraction form
    156,958.70/235,567.65 = 72,848.30/x
  3. Step 3: Cross multiply
    156,958.70x = 235,567.65 × 72,848.30
  4. Step 4: Simplify right side
    156,958.70x = 17,160,702,837.50
  5. Step 5: Solve for x
    x = 17,160,702,837.50/156,958.70
  6. Step 6: Final answer
    x = 109,332.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.