Home / 207,291.59-310,439.10-118,275.23

Finding the Fourth Proportional to 207,291.59, 310,439.10 and 118,275.23

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Solution

The fourth proportional to 207,291.59, 310,439.10 and 118,275.23 is: 177,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,291.59 : 310,439.10 = 118,275.23 : x
  2. Step 2: Convert to fraction form
    207,291.59/310,439.10 = 118,275.23/x
  3. Step 3: Cross multiply
    207,291.59x = 310,439.10 × 118,275.23
  4. Step 4: Simplify right side
    207,291.59x = 36,717,254,401.30
  5. Step 5: Solve for x
    x = 36,717,254,401.30/207,291.59
  6. Step 6: Final answer
    x = 177,128.53

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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.