Home / 197,686.19-272,826.48-112,816.01

Finding the Fourth Proportional to 197,686.19, 272,826.48 and 112,816.01

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Solution

The fourth proportional to 197,686.19, 272,826.48 and 112,816.01 is: 155,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,686.19 : 272,826.48 = 112,816.01 : x
  2. Step 2: Convert to fraction form
    197,686.19/272,826.48 = 112,816.01/x
  3. Step 3: Cross multiply
    197,686.19x = 272,826.48 × 112,816.01
  4. Step 4: Simplify right side
    197,686.19x = 30,779,193,531.81
  5. Step 5: Solve for x
    x = 30,779,193,531.81/197,686.19
  6. Step 6: Final answer
    x = 155,697.24

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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.