Home / 156,726.70-235,219.65-72,616.30

Finding the Fourth Proportional to 156,726.70, 235,219.65 and 72,616.30

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Solution

The fourth proportional to 156,726.70, 235,219.65 and 72,616.30 is: 108,984.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,726.70 : 235,219.65 = 72,616.30 : x
  2. Step 2: Convert to fraction form
    156,726.70/235,219.65 = 72,616.30/x
  3. Step 3: Cross multiply
    156,726.70x = 235,219.65 × 72,616.30
  4. Step 4: Simplify right side
    156,726.70x = 17,080,780,670.30
  5. Step 5: Solve for x
    x = 17,080,780,670.30/156,726.70
  6. Step 6: Final answer
    x = 108,984.50

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1.5x scale

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.