Home / 167,020.28-230,478.18-99,043.76

Finding the Fourth Proportional to 167,020.28, 230,478.18 and 99,043.76

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Solution

The fourth proportional to 167,020.28, 230,478.18 and 99,043.76 is: 136,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,020.28 : 230,478.18 = 99,043.76 : x
  2. Step 2: Convert to fraction form
    167,020.28/230,478.18 = 99,043.76/x
  3. Step 3: Cross multiply
    167,020.28x = 230,478.18 × 99,043.76
  4. Step 4: Simplify right side
    167,020.28x = 22,827,424,392.77
  5. Step 5: Solve for x
    x = 22,827,424,392.77/167,020.28
  6. Step 6: Final answer
    x = 136,674.57

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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.