Home / 163,838.02-245,816.27-57,237.78

Finding the Fourth Proportional to 163,838.02, 245,816.27 and 57,237.78

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Solution

The fourth proportional to 163,838.02, 245,816.27 and 57,237.78 is: 85,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,838.02 : 245,816.27 = 57,237.78 : x
  2. Step 2: Convert to fraction form
    163,838.02/245,816.27 = 57,237.78/x
  3. Step 3: Cross multiply
    163,838.02x = 245,816.27 × 57,237.78
  4. Step 4: Simplify right side
    163,838.02x = 14,069,977,582.68
  5. Step 5: Solve for x
    x = 14,069,977,582.68/163,838.02
  6. Step 6: Final answer
    x = 85,877.37

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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.