Home / 209,501.55-289,111.60-114,008.22

Finding the Fourth Proportional to 209,501.55, 289,111.60 and 114,008.22

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Solution

The fourth proportional to 209,501.55, 289,111.60 and 114,008.22 is: 157,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,501.55 : 289,111.60 = 114,008.22 : x
  2. Step 2: Convert to fraction form
    209,501.55/289,111.60 = 114,008.22/x
  3. Step 3: Cross multiply
    209,501.55x = 289,111.60 × 114,008.22
  4. Step 4: Simplify right side
    209,501.55x = 32,961,098,897.35
  5. Step 5: Solve for x
    x = 32,961,098,897.35/209,501.55
  6. Step 6: Final answer
    x = 157,331.05

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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.