Home / 158,085.27-218,156.09-86,466.69

Finding the Fourth Proportional to 158,085.27, 218,156.09 and 86,466.69

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Solution

The fourth proportional to 158,085.27, 218,156.09 and 86,466.69 is: 119,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,085.27 : 218,156.09 = 86,466.69 : x
  2. Step 2: Convert to fraction form
    158,085.27/218,156.09 = 86,466.69/x
  3. Step 3: Cross multiply
    158,085.27x = 218,156.09 × 86,466.69
  4. Step 4: Simplify right side
    158,085.27x = 18,863,234,573.31
  5. Step 5: Solve for x
    x = 18,863,234,573.31/158,085.27
  6. Step 6: Final answer
    x = 119,323.16

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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.