Home / 223,219.04-307,955.46-126,400.67

Finding the Fourth Proportional to 223,219.04, 307,955.46 and 126,400.67

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Solution

The fourth proportional to 223,219.04, 307,955.46 and 126,400.67 is: 174,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,219.04 : 307,955.46 = 126,400.67 : x
  2. Step 2: Convert to fraction form
    223,219.04/307,955.46 = 126,400.67/x
  3. Step 3: Cross multiply
    223,219.04x = 307,955.46 × 126,400.67
  4. Step 4: Simplify right side
    223,219.04x = 38,925,776,089.21
  5. Step 5: Solve for x
    x = 38,925,776,089.21/223,219.04
  6. Step 6: Final answer
    x = 174,383.76

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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.