Home / 151,030.90-208,423.44-83,052.28

Finding the Fourth Proportional to 151,030.90, 208,423.44 and 83,052.28

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Solution

The fourth proportional to 151,030.90, 208,423.44 and 83,052.28 is: 114,612.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,030.90 : 208,423.44 = 83,052.28 : x
  2. Step 2: Convert to fraction form
    151,030.90/208,423.44 = 83,052.28/x
  3. Step 3: Cross multiply
    151,030.90x = 208,423.44 × 83,052.28
  4. Step 4: Simplify right side
    151,030.90x = 17,310,041,897.44
  5. Step 5: Solve for x
    x = 17,310,041,897.44/151,030.90
  6. Step 6: Final answer
    x = 114,612.59

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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.