Home / 103,386.42-155,083.58-32,315.60

Finding the Fourth Proportional to 103,386.42, 155,083.58 and 32,315.60

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Solution

The fourth proportional to 103,386.42, 155,083.58 and 32,315.60 is: 48,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,386.42 : 155,083.58 = 32,315.60 : x
  2. Step 2: Convert to fraction form
    103,386.42/155,083.58 = 32,315.60/x
  3. Step 3: Cross multiply
    103,386.42x = 155,083.58 × 32,315.60
  4. Step 4: Simplify right side
    103,386.42x = 5,011,618,937.85
  5. Step 5: Solve for x
    x = 5,011,618,937.85/103,386.42
  6. Step 6: Final answer
    x = 48,474.63

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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.