Home / 132,675.45-183,089.49-72,246.81

Finding the Fourth Proportional to 132,675.45, 183,089.49 and 72,246.81

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Solution

The fourth proportional to 132,675.45, 183,089.49 and 72,246.81 is: 99,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,675.45 : 183,089.49 = 72,246.81 : x
  2. Step 2: Convert to fraction form
    132,675.45/183,089.49 = 72,246.81/x
  3. Step 3: Cross multiply
    132,675.45x = 183,089.49 × 72,246.81
  4. Step 4: Simplify right side
    132,675.45x = 13,227,631,597.03
  5. Step 5: Solve for x
    x = 13,227,631,597.03/132,675.45
  6. Step 6: Final answer
    x = 99,699.17

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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.