Home / 132,782.40-183,237.35-72,353.57

Finding the Fourth Proportional to 132,782.40, 183,237.35 and 72,353.57

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Solution

The fourth proportional to 132,782.40, 183,237.35 and 72,353.57 is: 99,846.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,782.40 : 183,237.35 = 72,353.57 : x
  2. Step 2: Convert to fraction form
    132,782.40/183,237.35 = 72,353.57/x
  3. Step 3: Cross multiply
    132,782.40x = 183,237.35 × 72,353.57
  4. Step 4: Simplify right side
    132,782.40x = 13,257,875,151.88
  5. Step 5: Solve for x
    x = 13,257,875,151.88/132,782.40
  6. Step 6: Final answer
    x = 99,846.63

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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.