Home / 127,617.42-191,468.76-56,530.40

Finding the Fourth Proportional to 127,617.42, 191,468.76 and 56,530.40

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Solution

The fourth proportional to 127,617.42, 191,468.76 and 56,530.40 is: 84,814.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,617.42 : 191,468.76 = 56,530.40 : x
  2. Step 2: Convert to fraction form
    127,617.42/191,468.76 = 56,530.40/x
  3. Step 3: Cross multiply
    127,617.42x = 191,468.76 × 56,530.40
  4. Step 4: Simplify right side
    127,617.42x = 10,823,805,307.65
  5. Step 5: Solve for x
    x = 10,823,805,307.65/127,617.42
  6. Step 6: Final answer
    x = 84,814.48

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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.