Home / 127,946.60-191,918.10-57,825.80

Finding the Fourth Proportional to 127,946.60, 191,918.10 and 57,825.80

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Solution

The fourth proportional to 127,946.60, 191,918.10 and 57,825.80 is: 86,737.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,946.60 : 191,918.10 = 57,825.80 : x
  2. Step 2: Convert to fraction form
    127,946.60/191,918.10 = 57,825.80/x
  3. Step 3: Cross multiply
    127,946.60x = 191,918.10 × 57,825.80
  4. Step 4: Simplify right side
    127,946.60x = 11,097,817,666.98
  5. Step 5: Solve for x
    x = 11,097,817,666.98/127,946.60
  6. Step 6: Final answer
    x = 86,737.89

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1.5x scale

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.