Home / 161,117.27-222,337.40-89,495.45

Finding the Fourth Proportional to 161,117.27, 222,337.40 and 89,495.45

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Solution

The fourth proportional to 161,117.27, 222,337.40 and 89,495.45 is: 123,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,117.27 : 222,337.40 = 89,495.45 : x
  2. Step 2: Convert to fraction form
    161,117.27/222,337.40 = 89,495.45/x
  3. Step 3: Cross multiply
    161,117.27x = 222,337.40 × 89,495.45
  4. Step 4: Simplify right side
    161,117.27x = 19,898,184,105.67
  5. Step 5: Solve for x
    x = 19,898,184,105.67/161,117.27
  6. Step 6: Final answer
    x = 123,501.25

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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.