Home / 170,531.85-235,350.59-127,436.51

Finding the Fourth Proportional to 170,531.85, 235,350.59 and 127,436.51

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Solution

The fourth proportional to 170,531.85, 235,350.59 and 127,436.51 is: 175,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,531.85 : 235,350.59 = 127,436.51 : x
  2. Step 2: Convert to fraction form
    170,531.85/235,350.59 = 127,436.51/x
  3. Step 3: Cross multiply
    170,531.85x = 235,350.59 × 127,436.51
  4. Step 4: Simplify right side
    170,531.85x = 29,992,256,002.11
  5. Step 5: Solve for x
    x = 29,992,256,002.11/170,531.85
  6. Step 6: Final answer
    x = 175,874.81

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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.