Home / 191,251.68-286,615.06-121,005.24

Finding the Fourth Proportional to 191,251.68, 286,615.06 and 121,005.24

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Solution

The fourth proportional to 191,251.68, 286,615.06 and 121,005.24 is: 181,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,251.68 : 286,615.06 = 121,005.24 : x
  2. Step 2: Convert to fraction form
    191,251.68/286,615.06 = 121,005.24/x
  3. Step 3: Cross multiply
    191,251.68x = 286,615.06 × 121,005.24
  4. Step 4: Simplify right side
    191,251.68x = 34,681,924,122.91
  5. Step 5: Solve for x
    x = 34,681,924,122.91/191,251.68
  6. Step 6: Final answer
    x = 181,341.80

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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.