Home / 132,790.34-183,246.02-72,359.76

Finding the Fourth Proportional to 132,790.34, 183,246.02 and 72,359.76

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Solution

The fourth proportional to 132,790.34, 183,246.02 and 72,359.76 is: 99,853.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,790.34 : 183,246.02 = 72,359.76 : x
  2. Step 2: Convert to fraction form
    132,790.34/183,246.02 = 72,359.76/x
  3. Step 3: Cross multiply
    132,790.34x = 183,246.02 × 72,359.76
  4. Step 4: Simplify right side
    132,790.34x = 13,259,637,666.36
  5. Step 5: Solve for x
    x = 13,259,637,666.36/132,790.34
  6. Step 6: Final answer
    x = 99,853.94

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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.