Home / 149,036.62-205,566.42-101,206.93

Finding the Fourth Proportional to 149,036.62, 205,566.42 and 101,206.93

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Solution

The fourth proportional to 149,036.62, 205,566.42 and 101,206.93 is: 139,594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,036.62 : 205,566.42 = 101,206.93 : x
  2. Step 2: Convert to fraction form
    149,036.62/205,566.42 = 101,206.93/x
  3. Step 3: Cross multiply
    149,036.62x = 205,566.42 × 101,206.93
  4. Step 4: Simplify right side
    149,036.62x = 20,804,746,279.29
  5. Step 5: Solve for x
    x = 20,804,746,279.29/149,036.62
  6. Step 6: Final answer
    x = 139,594.86

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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.