Home / 191,505.05-286,717.50-101,343.54

Finding the Fourth Proportional to 191,505.05, 286,717.50 and 101,343.54

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Solution

The fourth proportional to 191,505.05, 286,717.50 and 101,343.54 is: 151,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,505.05 : 286,717.50 = 101,343.54 : x
  2. Step 2: Convert to fraction form
    191,505.05/286,717.50 = 101,343.54/x
  3. Step 3: Cross multiply
    191,505.05x = 286,717.50 × 101,343.54
  4. Step 4: Simplify right side
    191,505.05x = 29,056,966,429.95
  5. Step 5: Solve for x
    x = 29,056,966,429.95/191,505.05
  6. Step 6: Final answer
    x = 151,729.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.