Home / 127,089.96-190,696.50-52,265.40

Finding the Fourth Proportional to 127,089.96, 190,696.50 and 52,265.40

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Solution

The fourth proportional to 127,089.96, 190,696.50 and 52,265.40 is: 78,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,089.96 : 190,696.50 = 52,265.40 : x
  2. Step 2: Convert to fraction form
    127,089.96/190,696.50 = 52,265.40/x
  3. Step 3: Cross multiply
    127,089.96x = 190,696.50 × 52,265.40
  4. Step 4: Simplify right side
    127,089.96x = 9,966,828,851.10
  5. Step 5: Solve for x
    x = 9,966,828,851.10/127,089.96
  6. Step 6: Final answer
    x = 78,423.42

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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.