Home / 191,251.26-286,516.98-112,130.46

Finding the Fourth Proportional to 191,251.26, 286,516.98 and 112,130.46

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Solution

The fourth proportional to 191,251.26, 286,516.98 and 112,130.46 is: 167,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,251.26 : 286,516.98 = 112,130.46 : x
  2. Step 2: Convert to fraction form
    191,251.26/286,516.98 = 112,130.46/x
  3. Step 3: Cross multiply
    191,251.26x = 286,516.98 × 112,130.46
  4. Step 4: Simplify right side
    191,251.26x = 32,127,280,765.21
  5. Step 5: Solve for x
    x = 32,127,280,765.21/191,251.26
  6. Step 6: Final answer
    x = 167,984.68

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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.