Home / 108,177.51-149,282.05-59,117.20

Finding the Fourth Proportional to 108,177.51, 149,282.05 and 59,117.20

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Solution

The fourth proportional to 108,177.51, 149,282.05 and 59,117.20 is: 81,580.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,177.51 : 149,282.05 = 59,117.20 : x
  2. Step 2: Convert to fraction form
    108,177.51/149,282.05 = 59,117.20/x
  3. Step 3: Cross multiply
    108,177.51x = 149,282.05 × 59,117.20
  4. Step 4: Simplify right side
    108,177.51x = 8,825,136,806.26
  5. Step 5: Solve for x
    x = 8,825,136,806.26/108,177.51
  6. Step 6: Final answer
    x = 81,580.14

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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.