Home / 151,044.90-208,390.05-93,663.60

Finding the Fourth Proportional to 151,044.90, 208,390.05 and 93,663.60

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Solution

The fourth proportional to 151,044.90, 208,390.05 and 93,663.60 is: 129,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,044.90 : 208,390.05 = 93,663.60 : x
  2. Step 2: Convert to fraction form
    151,044.90/208,390.05 = 93,663.60/x
  3. Step 3: Cross multiply
    151,044.90x = 208,390.05 × 93,663.60
  4. Step 4: Simplify right side
    151,044.90x = 19,518,562,287.18
  5. Step 5: Solve for x
    x = 19,518,562,287.18/151,044.90
  6. Step 6: Final answer
    x = 129,223.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.