Home / 191,130.62-286,709.46-58,021.70

Finding the Fourth Proportional to 191,130.62, 286,709.46 and 58,021.70

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Solution

The fourth proportional to 191,130.62, 286,709.46 and 58,021.70 is: 87,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,130.62 : 286,709.46 = 58,021.70 : x
  2. Step 2: Convert to fraction form
    191,130.62/286,709.46 = 58,021.70/x
  3. Step 3: Cross multiply
    191,130.62x = 286,709.46 × 58,021.70
  4. Step 4: Simplify right side
    191,130.62x = 16,635,370,275.28
  5. Step 5: Solve for x
    x = 16,635,370,275.28/191,130.62
  6. Step 6: Final answer
    x = 87,036.66

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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.