Home / 161,670.60-223,093.98-89,070.30

Finding the Fourth Proportional to 161,670.60, 223,093.98 and 89,070.30

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Solution

The fourth proportional to 161,670.60, 223,093.98 and 89,070.30 is: 122,910.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,670.60 : 223,093.98 = 89,070.30 : x
  2. Step 2: Convert to fraction form
    161,670.60/223,093.98 = 89,070.30/x
  3. Step 3: Cross multiply
    161,670.60x = 223,093.98 × 89,070.30
  4. Step 4: Simplify right side
    161,670.60x = 19,871,047,726.79
  5. Step 5: Solve for x
    x = 19,871,047,726.79/161,670.60
  6. Step 6: Final answer
    x = 122,910.71

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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.