Home / 113,573.61-156,666.56-71,058.33

Finding the Fourth Proportional to 113,573.61, 156,666.56 and 71,058.33

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Solution

The fourth proportional to 113,573.61, 156,666.56 and 71,058.33 is: 98,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,573.61 : 156,666.56 = 71,058.33 : x
  2. Step 2: Convert to fraction form
    113,573.61/156,666.56 = 71,058.33/x
  3. Step 3: Cross multiply
    113,573.61x = 156,666.56 × 71,058.33
  4. Step 4: Simplify right side
    113,573.61x = 11,132,463,765.15
  5. Step 5: Solve for x
    x = 11,132,463,765.15/113,573.61
  6. Step 6: Final answer
    x = 98,019.81

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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.