Home / 119,900.04-165,525.49-77,482.77

Finding the Fourth Proportional to 119,900.04, 165,525.49 and 77,482.77

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Solution

The fourth proportional to 119,900.04, 165,525.49 and 77,482.77 is: 106,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,900.04 : 165,525.49 = 77,482.77 : x
  2. Step 2: Convert to fraction form
    119,900.04/165,525.49 = 77,482.77/x
  3. Step 3: Cross multiply
    119,900.04x = 165,525.49 × 77,482.77
  4. Step 4: Simplify right side
    119,900.04x = 12,825,373,470.81
  5. Step 5: Solve for x
    x = 12,825,373,470.81/119,900.04
  6. Step 6: Final answer
    x = 106,967.22

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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.