Home / 160,146.96-221,023.08-93,066

Finding the Fourth Proportional to 160,146.96, 221,023.08 and 93,066

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Solution

The fourth proportional to 160,146.96, 221,023.08 and 93,066 is: 128,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,146.96 : 221,023.08 = 93,066 : x
  2. Step 2: Convert to fraction form
    160,146.96/221,023.08 = 93,066/x
  3. Step 3: Cross multiply
    160,146.96x = 221,023.08 × 93,066
  4. Step 4: Simplify right side
    160,146.96x = 20,569,733,963.28
  5. Step 5: Solve for x
    x = 20,569,733,963.28/160,146.96
  6. Step 6: Final answer
    x = 128,442.86

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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.