Home / 113,822.20-157,053.90-97,881.40

Finding the Fourth Proportional to 113,822.20, 157,053.90 and 97,881.40

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Solution

The fourth proportional to 113,822.20, 157,053.90 and 97,881.40 is: 135,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,822.20 : 157,053.90 = 97,881.40 : x
  2. Step 2: Convert to fraction form
    113,822.20/157,053.90 = 97,881.40/x
  3. Step 3: Cross multiply
    113,822.20x = 157,053.90 × 97,881.40
  4. Step 4: Simplify right side
    113,822.20x = 15,372,655,607.46
  5. Step 5: Solve for x
    x = 15,372,655,607.46/113,822.20
  6. Step 6: Final answer
    x = 135,058.50

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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.