Home / 145,995.47-218,991.83-46,155.67

Finding the Fourth Proportional to 145,995.47, 218,991.83 and 46,155.67

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Solution

The fourth proportional to 145,995.47, 218,991.83 and 46,155.67 is: 69,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,995.47 : 218,991.83 = 46,155.67 : x
  2. Step 2: Convert to fraction form
    145,995.47/218,991.83 = 46,155.67/x
  3. Step 3: Cross multiply
    145,995.47x = 218,991.83 × 46,155.67
  4. Step 4: Simplify right side
    145,995.47x = 10,107,714,638.18
  5. Step 5: Solve for x
    x = 10,107,714,638.18/145,995.47
  6. Step 6: Final answer
    x = 69,233.07

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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.