Home / 161,936.10-242,904.15-122,570.10

Finding the Fourth Proportional to 161,936.10, 242,904.15 and 122,570.10

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Solution

The fourth proportional to 161,936.10, 242,904.15 and 122,570.10 is: 183,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,936.10 : 242,904.15 = 122,570.10 : x
  2. Step 2: Convert to fraction form
    161,936.10/242,904.15 = 122,570.10/x
  3. Step 3: Cross multiply
    161,936.10x = 242,904.15 × 122,570.10
  4. Step 4: Simplify right side
    161,936.10x = 29,772,785,955.92
  5. Step 5: Solve for x
    x = 29,772,785,955.92/161,936.10
  6. Step 6: Final answer
    x = 183,855.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.