Home / 108,127.51-161,965.24-86,953.23

Finding the Fourth Proportional to 108,127.51, 161,965.24 and 86,953.23

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Solution

The fourth proportional to 108,127.51, 161,965.24 and 86,953.23 is: 130,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,127.51 : 161,965.24 = 86,953.23 : x
  2. Step 2: Convert to fraction form
    108,127.51/161,965.24 = 86,953.23/x
  3. Step 3: Cross multiply
    108,127.51x = 161,965.24 × 86,953.23
  4. Step 4: Simplify right side
    108,127.51x = 14,083,400,548.34
  5. Step 5: Solve for x
    x = 14,083,400,548.34/108,127.51
  6. Step 6: Final answer
    x = 130,248.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.