Home / 132,429.49-182,756.28-72,004.19

Finding the Fourth Proportional to 132,429.49, 182,756.28 and 72,004.19

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Solution

The fourth proportional to 132,429.49, 182,756.28 and 72,004.19 is: 99,367.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,429.49 : 182,756.28 = 72,004.19 : x
  2. Step 2: Convert to fraction form
    132,429.49/182,756.28 = 72,004.19/x
  3. Step 3: Cross multiply
    132,429.49x = 182,756.28 × 72,004.19
  4. Step 4: Simplify right side
    132,429.49x = 13,159,217,908.81
  5. Step 5: Solve for x
    x = 13,159,217,908.81/132,429.49
  6. Step 6: Final answer
    x = 99,367.73

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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.