Home / 104,637.81-144,455.27-83,995.23

Finding the Fourth Proportional to 104,637.81, 144,455.27 and 83,995.23

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Solution

The fourth proportional to 104,637.81, 144,455.27 and 83,995.23 is: 115,957.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,637.81 : 144,455.27 = 83,995.23 : x
  2. Step 2: Convert to fraction form
    104,637.81/144,455.27 = 83,995.23/x
  3. Step 3: Cross multiply
    104,637.81x = 144,455.27 × 83,995.23
  4. Step 4: Simplify right side
    104,637.81x = 12,133,553,208.39
  5. Step 5: Solve for x
    x = 12,133,553,208.39/104,637.81
  6. Step 6: Final answer
    x = 115,957.64

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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.