Home / 158,146.77-218,247.74-86,525.16

Finding the Fourth Proportional to 158,146.77, 218,247.74 and 86,525.16

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Solution

The fourth proportional to 158,146.77, 218,247.74 and 86,525.16 is: 119,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,146.77 : 218,247.74 = 86,525.16 : x
  2. Step 2: Convert to fraction form
    158,146.77/218,247.74 = 86,525.16/x
  3. Step 3: Cross multiply
    158,146.77x = 218,247.74 × 86,525.16
  4. Step 4: Simplify right side
    158,146.77x = 18,883,920,190.51
  5. Step 5: Solve for x
    x = 18,883,920,190.51/158,146.77
  6. Step 6: Final answer
    x = 119,407.56

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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.