Home / 132,977.24-183,508.18-72,547.45

Finding the Fourth Proportional to 132,977.24, 183,508.18 and 72,547.45

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Solution

The fourth proportional to 132,977.24, 183,508.18 and 72,547.45 is: 100,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,977.24 : 183,508.18 = 72,547.45 : x
  2. Step 2: Convert to fraction form
    132,977.24/183,508.18 = 72,547.45/x
  3. Step 3: Cross multiply
    132,977.24x = 183,508.18 × 72,547.45
  4. Step 4: Simplify right side
    132,977.24x = 13,313,050,513.14
  5. Step 5: Solve for x
    x = 13,313,050,513.14/132,977.24
  6. Step 6: Final answer
    x = 100,115.26

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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.