Home / 132,798.95-183,257.22-72,368.30

Finding the Fourth Proportional to 132,798.95, 183,257.22 and 72,368.30

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Solution

The fourth proportional to 132,798.95, 183,257.22 and 72,368.30 is: 99,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,798.95 : 183,257.22 = 72,368.30 : x
  2. Step 2: Convert to fraction form
    132,798.95/183,257.22 = 72,368.30/x
  3. Step 3: Cross multiply
    132,798.95x = 183,257.22 × 72,368.30
  4. Step 4: Simplify right side
    132,798.95x = 13,262,013,570.43
  5. Step 5: Solve for x
    x = 13,262,013,570.43/132,798.95
  6. Step 6: Final answer
    x = 99,865.35

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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.