Home / 151,031.03-208,370.95-93,649.70

Finding the Fourth Proportional to 151,031.03, 208,370.95 and 93,649.70

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Solution

The fourth proportional to 151,031.03, 208,370.95 and 93,649.70 is: 129,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,031.03 : 208,370.95 = 93,649.70 : x
  2. Step 2: Convert to fraction form
    151,031.03/208,370.95 = 93,649.70/x
  3. Step 3: Cross multiply
    151,031.03x = 208,370.95 × 93,649.70
  4. Step 4: Simplify right side
    151,031.03x = 19,513,877,243.02
  5. Step 5: Solve for x
    x = 19,513,877,243.02/151,031.03
  6. Step 6: Final answer
    x = 129,204.43

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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.