Home / 132,507.51-182,858.58-72,076.86

Finding the Fourth Proportional to 132,507.51, 182,858.58 and 72,076.86

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Solution

The fourth proportional to 132,507.51, 182,858.58 and 72,076.86 is: 99,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,507.51 : 182,858.58 = 72,076.86 : x
  2. Step 2: Convert to fraction form
    132,507.51/182,858.58 = 72,076.86/x
  3. Step 3: Cross multiply
    132,507.51x = 182,858.58 × 72,076.86
  4. Step 4: Simplify right side
    132,507.51x = 13,179,872,270.46
  5. Step 5: Solve for x
    x = 13,179,872,270.46/132,507.51
  6. Step 6: Final answer
    x = 99,465.10

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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.