Home / 143,009.24-197,402.10-88,603.16

Finding the Fourth Proportional to 143,009.24, 197,402.10 and 88,603.16

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Solution

The fourth proportional to 143,009.24, 197,402.10 and 88,603.16 is: 122,302.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,009.24 : 197,402.10 = 88,603.16 : x
  2. Step 2: Convert to fraction form
    143,009.24/197,402.10 = 88,603.16/x
  3. Step 3: Cross multiply
    143,009.24x = 197,402.10 × 88,603.16
  4. Step 4: Simplify right side
    143,009.24x = 17,490,449,850.64
  5. Step 5: Solve for x
    x = 17,490,449,850.64/143,009.24
  6. Step 6: Final answer
    x = 122,302.94

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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.