Home / 318,021.90-477,035.28-93,386.22

Finding the Fourth Proportional to 318,021.90, 477,035.28 and 93,386.22

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Solution

The fourth proportional to 318,021.90, 477,035.28 and 93,386.22 is: 140,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,021.90 : 477,035.28 = 93,386.22 : x
  2. Step 2: Convert to fraction form
    318,021.90/477,035.28 = 93,386.22/x
  3. Step 3: Cross multiply
    318,021.90x = 477,035.28 × 93,386.22
  4. Step 4: Simplify right side
    318,021.90x = 44,548,521,605.84
  5. Step 5: Solve for x
    x = 44,548,521,605.84/318,021.90
  6. Step 6: Final answer
    x = 140,080.04

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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.