Home / 316,362.68-436,569.90-173,113.10

Finding the Fourth Proportional to 316,362.68, 436,569.90 and 173,113.10

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Solution

The fourth proportional to 316,362.68, 436,569.90 and 173,113.10 is: 238,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,362.68 : 436,569.90 = 173,113.10 : x
  2. Step 2: Convert to fraction form
    316,362.68/436,569.90 = 173,113.10/x
  3. Step 3: Cross multiply
    316,362.68x = 436,569.90 × 173,113.10
  4. Step 4: Simplify right side
    316,362.68x = 75,575,968,755.69
  5. Step 5: Solve for x
    x = 75,575,968,755.69/316,362.68
  6. Step 6: Final answer
    x = 238,890.28

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1.5x scale

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.