Home / 157,030.38-216,682.26-106,153.81

Finding the Fourth Proportional to 157,030.38, 216,682.26 and 106,153.81

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Solution

The fourth proportional to 157,030.38, 216,682.26 and 106,153.81 is: 146,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,030.38 : 216,682.26 = 106,153.81 : x
  2. Step 2: Convert to fraction form
    157,030.38/216,682.26 = 106,153.81/x
  3. Step 3: Cross multiply
    157,030.38x = 216,682.26 × 106,153.81
  4. Step 4: Simplify right side
    157,030.38x = 23,001,646,518.63
  5. Step 5: Solve for x
    x = 23,001,646,518.63/157,030.38
  6. Step 6: Final answer
    x = 146,478.96

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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.