Home / 132,666.26-183,076.81-72,237.62

Finding the Fourth Proportional to 132,666.26, 183,076.81 and 72,237.62

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Solution

The fourth proportional to 132,666.26, 183,076.81 and 72,237.62 is: 99,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,666.26 : 183,076.81 = 72,237.62 : x
  2. Step 2: Convert to fraction form
    132,666.26/183,076.81 = 72,237.62/x
  3. Step 3: Cross multiply
    132,666.26x = 183,076.81 × 72,237.62
  4. Step 4: Simplify right side
    132,666.26x = 13,225,033,308.69
  5. Step 5: Solve for x
    x = 13,225,033,308.69/132,666.26
  6. Step 6: Final answer
    x = 99,686.49

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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.