Home / 108,883.68-150,254.64-61,136.16

Finding the Fourth Proportional to 108,883.68, 150,254.64 and 61,136.16

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Solution

The fourth proportional to 108,883.68, 150,254.64 and 61,136.16 is: 84,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,883.68 : 150,254.64 = 61,136.16 : x
  2. Step 2: Convert to fraction form
    108,883.68/150,254.64 = 61,136.16/x
  3. Step 3: Cross multiply
    108,883.68x = 150,254.64 × 61,136.16
  4. Step 4: Simplify right side
    108,883.68x = 9,185,991,711.78
  5. Step 5: Solve for x
    x = 9,185,991,711.78/108,883.68
  6. Step 6: Final answer
    x = 84,365.18

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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.