Home / 161,089.23-222,303.12-89,475.91

Finding the Fourth Proportional to 161,089.23, 222,303.12 and 89,475.91

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Solution

The fourth proportional to 161,089.23, 222,303.12 and 89,475.91 is: 123,476.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,089.23 : 222,303.12 = 89,475.91 : x
  2. Step 2: Convert to fraction form
    161,089.23/222,303.12 = 89,475.91/x
  3. Step 3: Cross multiply
    161,089.23x = 222,303.12 × 89,475.91
  4. Step 4: Simplify right side
    161,089.23x = 19,890,773,957.84
  5. Step 5: Solve for x
    x = 19,890,773,957.84/161,089.23
  6. Step 6: Final answer
    x = 123,476.75

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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.