Home / 132,429.99-182,756.97-72,004.69

Finding the Fourth Proportional to 132,429.99, 182,756.97 and 72,004.69

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Solution

The fourth proportional to 132,429.99, 182,756.97 and 72,004.69 is: 99,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,429.99 : 182,756.97 = 72,004.69 : x
  2. Step 2: Convert to fraction form
    132,429.99/182,756.97 = 72,004.69/x
  3. Step 3: Cross multiply
    132,429.99x = 182,756.97 × 72,004.69
  4. Step 4: Simplify right side
    132,429.99x = 13,159,358,970.19
  5. Step 5: Solve for x
    x = 13,159,358,970.19/132,429.99
  6. Step 6: Final answer
    x = 99,368.42

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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.