Home / 156,885.42-216,533.37-93,210.96

Finding the Fourth Proportional to 156,885.42, 216,533.37 and 93,210.96

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Solution

The fourth proportional to 156,885.42, 216,533.37 and 93,210.96 is: 128,649.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,885.42 : 216,533.37 = 93,210.96 : x
  2. Step 2: Convert to fraction form
    156,885.42/216,533.37 = 93,210.96/x
  3. Step 3: Cross multiply
    156,885.42x = 216,533.37 × 93,210.96
  4. Step 4: Simplify right side
    156,885.42x = 20,183,283,289.74
  5. Step 5: Solve for x
    x = 20,183,283,289.74/156,885.42
  6. Step 6: Final answer
    x = 128,649.83

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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.