Home / 151,031.79-208,423.53-83,052.95

Finding the Fourth Proportional to 151,031.79, 208,423.53 and 83,052.95

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Solution

The fourth proportional to 151,031.79, 208,423.53 and 83,052.95 is: 114,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,031.79 : 208,423.53 = 83,052.95 : x
  2. Step 2: Convert to fraction form
    151,031.79/208,423.53 = 83,052.95/x
  3. Step 3: Cross multiply
    151,031.79x = 208,423.53 × 83,052.95
  4. Step 4: Simplify right side
    151,031.79x = 17,310,187,973.80
  5. Step 5: Solve for x
    x = 17,310,187,973.80/151,031.79
  6. Step 6: Final answer
    x = 114,612.88

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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.