Home / 108,465.04-149,604.60-99,541.36

Finding the Fourth Proportional to 108,465.04, 149,604.60 and 99,541.36

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Solution

The fourth proportional to 108,465.04, 149,604.60 and 99,541.36 is: 137,296.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,465.04 : 149,604.60 = 99,541.36 : x
  2. Step 2: Convert to fraction form
    108,465.04/149,604.60 = 99,541.36/x
  3. Step 3: Cross multiply
    108,465.04x = 149,604.60 × 99,541.36
  4. Step 4: Simplify right side
    108,465.04x = 14,891,845,346.26
  5. Step 5: Solve for x
    x = 14,891,845,346.26/108,465.04
  6. Step 6: Final answer
    x = 137,296.27

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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.