Home / 167,158.12-230,698.02-100,088.68

Finding the Fourth Proportional to 167,158.12, 230,698.02 and 100,088.68

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Solution

The fourth proportional to 167,158.12, 230,698.02 and 100,088.68 is: 138,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,158.12 : 230,698.02 = 100,088.68 : x
  2. Step 2: Convert to fraction form
    167,158.12/230,698.02 = 100,088.68/x
  3. Step 3: Cross multiply
    167,158.12x = 230,698.02 × 100,088.68
  4. Step 4: Simplify right side
    167,158.12x = 23,090,260,300.41
  5. Step 5: Solve for x
    x = 23,090,260,300.41/167,158.12
  6. Step 6: Final answer
    x = 138,134.24

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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.