Home / 191,186.24-286,776-66,524.48

Finding the Fourth Proportional to 191,186.24, 286,776 and 66,524.48

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Solution

The fourth proportional to 191,186.24, 286,776 and 66,524.48 is: 99,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,186.24 : 286,776 = 66,524.48 : x
  2. Step 2: Convert to fraction form
    191,186.24/286,776 = 66,524.48/x
  3. Step 3: Cross multiply
    191,186.24x = 286,776 × 66,524.48
  4. Step 4: Simplify right side
    191,186.24x = 19,077,624,276.48
  5. Step 5: Solve for x
    x = 19,077,624,276.48/191,186.24
  6. Step 6: Final answer
    x = 99,785.55

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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.