Home / 163,851.48-245,775.15-89,445.66

Finding the Fourth Proportional to 163,851.48, 245,775.15 and 89,445.66

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Solution

The fourth proportional to 163,851.48, 245,775.15 and 89,445.66 is: 134,167.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,851.48 : 245,775.15 = 89,445.66 : x
  2. Step 2: Convert to fraction form
    163,851.48/245,775.15 = 89,445.66/x
  3. Step 3: Cross multiply
    163,851.48x = 245,775.15 × 89,445.66
  4. Step 4: Simplify right side
    163,851.48x = 21,983,520,503.35
  5. Step 5: Solve for x
    x = 21,983,520,503.35/163,851.48
  6. Step 6: Final answer
    x = 134,167.36

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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.