Home / 104,266.49-155,636.69-89,569.85

Finding the Fourth Proportional to 104,266.49, 155,636.69 and 89,569.85

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Solution

The fourth proportional to 104,266.49, 155,636.69 and 89,569.85 is: 133,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,266.49 : 155,636.69 = 89,569.85 : x
  2. Step 2: Convert to fraction form
    104,266.49/155,636.69 = 89,569.85/x
  3. Step 3: Cross multiply
    104,266.49x = 155,636.69 × 89,569.85
  4. Step 4: Simplify right side
    104,266.49x = 13,940,353,751.76
  5. Step 5: Solve for x
    x = 13,940,353,751.76/104,266.49
  6. Step 6: Final answer
    x = 133,699.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.