Home / 108,938.34-150,350.04-61,195.32

Finding the Fourth Proportional to 108,938.34, 150,350.04 and 61,195.32

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Solution

The fourth proportional to 108,938.34, 150,350.04 and 61,195.32 is: 84,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,938.34 : 150,350.04 = 61,195.32 : x
  2. Step 2: Convert to fraction form
    108,938.34/150,350.04 = 61,195.32/x
  3. Step 3: Cross multiply
    108,938.34x = 150,350.04 × 61,195.32
  4. Step 4: Simplify right side
    108,938.34x = 9,200,718,809.81
  5. Step 5: Solve for x
    x = 9,200,718,809.81/108,938.34
  6. Step 6: Final answer
    x = 84,458.04

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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.