Home / 207,521.13-310,782.69-118,504.83

Finding the Fourth Proportional to 207,521.13, 310,782.69 and 118,504.83

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Solution

The fourth proportional to 207,521.13, 310,782.69 and 118,504.83 is: 177,472.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,521.13 : 310,782.69 = 118,504.83 : x
  2. Step 2: Convert to fraction form
    207,521.13/310,782.69 = 118,504.83/x
  3. Step 3: Cross multiply
    207,521.13x = 310,782.69 × 118,504.83
  4. Step 4: Simplify right side
    207,521.13x = 36,829,249,845.39
  5. Step 5: Solve for x
    x = 36,829,249,845.39/207,521.13
  6. Step 6: Final answer
    x = 177,472.29

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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.