Home / 482,931.48-666,433.17-265,139.07

Finding the Fourth Proportional to 482,931.48, 666,433.17 and 265,139.07

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Solution

The fourth proportional to 482,931.48, 666,433.17 and 265,139.07 is: 365,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,931.48 : 666,433.17 = 265,139.07 : x
  2. Step 2: Convert to fraction form
    482,931.48/666,433.17 = 265,139.07/x
  3. Step 3: Cross multiply
    482,931.48x = 666,433.17 × 265,139.07
  4. Step 4: Simplify right side
    482,931.48x = 176,697,470,910.95
  5. Step 5: Solve for x
    x = 176,697,470,910.95/482,931.48
  6. Step 6: Final answer
    x = 365,885.18

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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.