Home / 218,338.04-301,303.50-127,756.28

Finding the Fourth Proportional to 218,338.04, 301,303.50 and 127,756.28

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Solution

The fourth proportional to 218,338.04, 301,303.50 and 127,756.28 is: 176,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,338.04 : 301,303.50 = 127,756.28 : x
  2. Step 2: Convert to fraction form
    218,338.04/301,303.50 = 127,756.28/x
  3. Step 3: Cross multiply
    218,338.04x = 301,303.50 × 127,756.28
  4. Step 4: Simplify right side
    218,338.04x = 38,493,414,310.98
  5. Step 5: Solve for x
    x = 38,493,414,310.98/218,338.04
  6. Step 6: Final answer
    x = 176,301.91

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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.