Home / 197,745.64-272,902.98-112,875.46

Finding the Fourth Proportional to 197,745.64, 272,902.98 and 112,875.46

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Solution

The fourth proportional to 197,745.64, 272,902.98 and 112,875.46 is: 155,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,745.64 : 272,902.98 = 112,875.46 : x
  2. Step 2: Convert to fraction form
    197,745.64/272,902.98 = 112,875.46/x
  3. Step 3: Cross multiply
    197,745.64x = 272,902.98 × 112,875.46
  4. Step 4: Simplify right side
    197,745.64x = 30,804,049,402.87
  5. Step 5: Solve for x
    x = 30,804,049,402.87/197,745.64
  6. Step 6: Final answer
    x = 155,776.12

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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.