Home / 249,461.16-374,186.44-80,981.22

Finding the Fourth Proportional to 249,461.16, 374,186.44 and 80,981.22

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Solution

The fourth proportional to 249,461.16, 374,186.44 and 80,981.22 is: 121,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,461.16 : 374,186.44 = 80,981.22 : x
  2. Step 2: Convert to fraction form
    249,461.16/374,186.44 = 80,981.22/x
  3. Step 3: Cross multiply
    249,461.16x = 374,186.44 × 80,981.22
  4. Step 4: Simplify right side
    249,461.16x = 30,302,074,418.66
  5. Step 5: Solve for x
    x = 30,302,074,418.66/249,461.16
  6. Step 6: Final answer
    x = 121,470.11

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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.