Home / 106,355.19-146,768.28-57,957.55

Finding the Fourth Proportional to 106,355.19, 146,768.28 and 57,957.55

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Solution

The fourth proportional to 106,355.19, 146,768.28 and 57,957.55 is: 79,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,355.19 : 146,768.28 = 57,957.55 : x
  2. Step 2: Convert to fraction form
    106,355.19/146,768.28 = 57,957.55/x
  3. Step 3: Cross multiply
    106,355.19x = 146,768.28 × 57,957.55
  4. Step 4: Simplify right side
    106,355.19x = 8,506,329,918.04
  5. Step 5: Solve for x
    x = 8,506,329,918.04/106,355.19
  6. Step 6: Final answer
    x = 79,980.39

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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.