Home / 191,052.36-286,141.50-91,282.68

Finding the Fourth Proportional to 191,052.36, 286,141.50 and 91,282.68

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Solution

The fourth proportional to 191,052.36, 286,141.50 and 91,282.68 is: 136,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,052.36 : 286,141.50 = 91,282.68 : x
  2. Step 2: Convert to fraction form
    191,052.36/286,141.50 = 91,282.68/x
  3. Step 3: Cross multiply
    191,052.36x = 286,141.50 × 91,282.68
  4. Step 4: Simplify right side
    191,052.36x = 26,119,762,979.22
  5. Step 5: Solve for x
    x = 26,119,762,979.22/191,052.36
  6. Step 6: Final answer
    x = 136,715.21

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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.