Home / 161,671.31-223,106.45-93,727.67

Finding the Fourth Proportional to 161,671.31, 223,106.45 and 93,727.67

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Solution

The fourth proportional to 161,671.31, 223,106.45 and 93,727.67 is: 129,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,671.31 : 223,106.45 = 93,727.67 : x
  2. Step 2: Convert to fraction form
    161,671.31/223,106.45 = 93,727.67/x
  3. Step 3: Cross multiply
    161,671.31x = 223,106.45 × 93,727.67
  4. Step 4: Simplify right side
    161,671.31x = 20,911,246,136.30
  5. Step 5: Solve for x
    x = 20,911,246,136.30/161,671.31
  6. Step 6: Final answer
    x = 129,344.20

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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.