Home / 170,666.03-255,854.45-70,763.87

Finding the Fourth Proportional to 170,666.03, 255,854.45 and 70,763.87

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Solution

The fourth proportional to 170,666.03, 255,854.45 and 70,763.87 is: 106,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,666.03 : 255,854.45 = 70,763.87 : x
  2. Step 2: Convert to fraction form
    170,666.03/255,854.45 = 70,763.87/x
  3. Step 3: Cross multiply
    170,666.03x = 255,854.45 × 70,763.87
  4. Step 4: Simplify right side
    170,666.03x = 18,105,249,405.63
  5. Step 5: Solve for x
    x = 18,105,249,405.63/170,666.03
  6. Step 6: Final answer
    x = 106,085.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.