Home / 433,014.28-649,581.55-133,518.40

Finding the Fourth Proportional to 433,014.28, 649,581.55 and 133,518.40

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Solution

The fourth proportional to 433,014.28, 649,581.55 and 133,518.40 is: 200,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,014.28 : 649,581.55 = 133,518.40 : x
  2. Step 2: Convert to fraction form
    433,014.28/649,581.55 = 133,518.40/x
  3. Step 3: Cross multiply
    433,014.28x = 649,581.55 × 133,518.40
  4. Step 4: Simplify right side
    433,014.28x = 86,731,089,225.52
  5. Step 5: Solve for x
    x = 86,731,089,225.52/433,014.28
  6. Step 6: Final answer
    x = 200,296.14

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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.