Home / 161,777.61-223,253.85-93,834.81

Finding the Fourth Proportional to 161,777.61, 223,253.85 and 93,834.81

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Solution

The fourth proportional to 161,777.61, 223,253.85 and 93,834.81 is: 129,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,777.61 : 223,253.85 = 93,834.81 : x
  2. Step 2: Convert to fraction form
    161,777.61/223,253.85 = 93,834.81/x
  3. Step 3: Cross multiply
    161,777.61x = 223,253.85 × 93,834.81
  4. Step 4: Simplify right side
    161,777.61x = 20,948,982,596.52
  5. Step 5: Solve for x
    x = 20,948,982,596.52/161,777.61
  6. Step 6: Final answer
    x = 129,492.47

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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.