Home / 127,877.14-191,681.94-43,607.80

Finding the Fourth Proportional to 127,877.14, 191,681.94 and 43,607.80

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Solution

The fourth proportional to 127,877.14, 191,681.94 and 43,607.80 is: 65,366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,877.14 : 191,681.94 = 43,607.80 : x
  2. Step 2: Convert to fraction form
    127,877.14/191,681.94 = 43,607.80/x
  3. Step 3: Cross multiply
    127,877.14x = 191,681.94 × 43,607.80
  4. Step 4: Simplify right side
    127,877.14x = 8,358,827,703.13
  5. Step 5: Solve for x
    x = 8,358,827,703.13/127,877.14
  6. Step 6: Final answer
    x = 65,366.08

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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.