Home / 197,686.31-272,826.65-112,816.13

Finding the Fourth Proportional to 197,686.31, 272,826.65 and 112,816.13

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Solution

The fourth proportional to 197,686.31, 272,826.65 and 112,816.13 is: 155,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,686.31 : 272,826.65 = 112,816.13 : x
  2. Step 2: Convert to fraction form
    197,686.31/272,826.65 = 112,816.13/x
  3. Step 3: Cross multiply
    197,686.31x = 272,826.65 × 112,816.13
  4. Step 4: Simplify right side
    197,686.31x = 30,779,246,249.78
  5. Step 5: Solve for x
    x = 30,779,246,249.78/197,686.31
  6. Step 6: Final answer
    x = 155,697.41

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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.