Home / 108,066.36-149,156.46-63,368.76

Finding the Fourth Proportional to 108,066.36, 149,156.46 and 63,368.76

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Solution

The fourth proportional to 108,066.36, 149,156.46 and 63,368.76 is: 87,463.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,066.36 : 149,156.46 = 63,368.76 : x
  2. Step 2: Convert to fraction form
    108,066.36/149,156.46 = 63,368.76/x
  3. Step 3: Cross multiply
    108,066.36x = 149,156.46 × 63,368.76
  4. Step 4: Simplify right side
    108,066.36x = 9,451,859,916.19
  5. Step 5: Solve for x
    x = 9,451,859,916.19/108,066.36
  6. Step 6: Final answer
    x = 87,463.48

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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.