Home / 118,208.68-163,127.92-75,767.18

Finding the Fourth Proportional to 118,208.68, 163,127.92 and 75,767.18

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Solution

The fourth proportional to 118,208.68, 163,127.92 and 75,767.18 is: 104,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,208.68 : 163,127.92 = 75,767.18 : x
  2. Step 2: Convert to fraction form
    118,208.68/163,127.92 = 75,767.18/x
  3. Step 3: Cross multiply
    118,208.68x = 163,127.92 × 75,767.18
  4. Step 4: Simplify right side
    118,208.68x = 12,359,742,477.67
  5. Step 5: Solve for x
    x = 12,359,742,477.67/118,208.68
  6. Step 6: Final answer
    x = 104,558.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.