Home / 145,994.47-218,990.33-46,154.67

Finding the Fourth Proportional to 145,994.47, 218,990.33 and 46,154.67

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Solution

The fourth proportional to 145,994.47, 218,990.33 and 46,154.67 is: 69,231.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,994.47 : 218,990.33 = 46,154.67 : x
  2. Step 2: Convert to fraction form
    145,994.47/218,990.33 = 46,154.67/x
  3. Step 3: Cross multiply
    145,994.47x = 218,990.33 × 46,154.67
  4. Step 4: Simplify right side
    145,994.47x = 10,107,426,568.91
  5. Step 5: Solve for x
    x = 10,107,426,568.91/145,994.47
  6. Step 6: Final answer
    x = 69,231.57

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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.