Home / 161,122.40-222,384.48-89,527.04

Finding the Fourth Proportional to 161,122.40, 222,384.48 and 89,527.04

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Solution

The fourth proportional to 161,122.40, 222,384.48 and 89,527.04 is: 123,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,122.40 : 222,384.48 = 89,527.04 : x
  2. Step 2: Convert to fraction form
    161,122.40/222,384.48 = 89,527.04/x
  3. Step 3: Cross multiply
    161,122.40x = 222,384.48 × 89,527.04
  4. Step 4: Simplify right side
    161,122.40x = 19,909,424,236.34
  5. Step 5: Solve for x
    x = 19,909,424,236.34/161,122.40
  6. Step 6: Final answer
    x = 123,567.08

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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.