Home / 142,852.79-197,096.95-112,544.04

Finding the Fourth Proportional to 142,852.79, 197,096.95 and 112,544.04

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Solution

The fourth proportional to 142,852.79, 197,096.95 and 112,544.04 is: 155,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,852.79 : 197,096.95 = 112,544.04 : x
  2. Step 2: Convert to fraction form
    142,852.79/197,096.95 = 112,544.04/x
  3. Step 3: Cross multiply
    142,852.79x = 197,096.95 × 112,544.04
  4. Step 4: Simplify right side
    142,852.79x = 22,182,086,039.19
  5. Step 5: Solve for x
    x = 22,182,086,039.19/142,852.79
  6. Step 6: Final answer
    x = 155,279.33

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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.