Home / 113,355.90-156,324.95-70,342.37

Finding the Fourth Proportional to 113,355.90, 156,324.95 and 70,342.37

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Solution

The fourth proportional to 113,355.90, 156,324.95 and 70,342.37 is: 97,006.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,355.90 : 156,324.95 = 70,342.37 : x
  2. Step 2: Convert to fraction form
    113,355.90/156,324.95 = 70,342.37/x
  3. Step 3: Cross multiply
    113,355.90x = 156,324.95 × 70,342.37
  4. Step 4: Simplify right side
    113,355.90x = 10,996,266,991.96
  5. Step 5: Solve for x
    x = 10,996,266,991.96/113,355.90
  6. Step 6: Final answer
    x = 97,006.57

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1.5x scale

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.