Home / 563,913.76-845,920.36-159,109.54

Finding the Fourth Proportional to 563,913.76, 845,920.36 and 159,109.54

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Solution

The fourth proportional to 563,913.76, 845,920.36 and 159,109.54 is: 238,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,913.76 : 845,920.36 = 159,109.54 : x
  2. Step 2: Convert to fraction form
    563,913.76/845,920.36 = 159,109.54/x
  3. Step 3: Cross multiply
    563,913.76x = 845,920.36 × 159,109.54
  4. Step 4: Simplify right side
    563,913.76x = 134,593,999,356.23
  5. Step 5: Solve for x
    x = 134,593,999,356.23/563,913.76
  6. Step 6: Final answer
    x = 238,678.34

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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.