Home / 316,542.51-436,812.08-173,275.11

Finding the Fourth Proportional to 316,542.51, 436,812.08 and 173,275.11

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Solution

The fourth proportional to 316,542.51, 436,812.08 and 173,275.11 is: 239,110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,542.51 : 436,812.08 = 173,275.11 : x
  2. Step 2: Convert to fraction form
    316,542.51/436,812.08 = 173,275.11/x
  3. Step 3: Cross multiply
    316,542.51x = 436,812.08 × 173,275.11
  4. Step 4: Simplify right side
    316,542.51x = 75,688,660,344.95
  5. Step 5: Solve for x
    x = 75,688,660,344.95/316,542.51
  6. Step 6: Final answer
    x = 239,110.57

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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.