Home / 132,602.79-182,995.74-72,177.36

Finding the Fourth Proportional to 132,602.79, 182,995.74 and 72,177.36

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Solution

The fourth proportional to 132,602.79, 182,995.74 and 72,177.36 is: 99,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,602.79 : 182,995.74 = 72,177.36 : x
  2. Step 2: Convert to fraction form
    132,602.79/182,995.74 = 72,177.36/x
  3. Step 3: Cross multiply
    132,602.79x = 182,995.74 × 72,177.36
  4. Step 4: Simplify right side
    132,602.79x = 13,208,149,404.45
  5. Step 5: Solve for x
    x = 13,208,149,404.45/132,602.79
  6. Step 6: Final answer
    x = 99,606.87

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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.