Home / 222,412.56-333,681-89,386.16

Finding the Fourth Proportional to 222,412.56, 333,681 and 89,386.16

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Solution

The fourth proportional to 222,412.56, 333,681 and 89,386.16 is: 134,104.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,412.56 : 333,681 = 89,386.16 : x
  2. Step 2: Convert to fraction form
    222,412.56/333,681 = 89,386.16/x
  3. Step 3: Cross multiply
    222,412.56x = 333,681 × 89,386.16
  4. Step 4: Simplify right side
    222,412.56x = 29,826,463,254.96
  5. Step 5: Solve for x
    x = 29,826,463,254.96/222,412.56
  6. Step 6: Final answer
    x = 134,104.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.