Home / 132,710.93-183,145.29-72,283.40

Finding the Fourth Proportional to 132,710.93, 183,145.29 and 72,283.40

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Solution

The fourth proportional to 132,710.93, 183,145.29 and 72,283.40 is: 99,753.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,710.93 : 183,145.29 = 72,283.40 : x
  2. Step 2: Convert to fraction form
    132,710.93/183,145.29 = 72,283.40/x
  3. Step 3: Cross multiply
    132,710.93x = 183,145.29 × 72,283.40
  4. Step 4: Simplify right side
    132,710.93x = 13,238,364,255.19
  5. Step 5: Solve for x
    x = 13,238,364,255.19/132,710.93
  6. Step 6: Final answer
    x = 99,753.38

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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.