Home / 128,957.04-193,426.26-34,185.06

Finding the Fourth Proportional to 128,957.04, 193,426.26 and 34,185.06

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Solution

The fourth proportional to 128,957.04, 193,426.26 and 34,185.06 is: 51,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,957.04 : 193,426.26 = 34,185.06 : x
  2. Step 2: Convert to fraction form
    128,957.04/193,426.26 = 34,185.06/x
  3. Step 3: Cross multiply
    128,957.04x = 193,426.26 × 34,185.06
  4. Step 4: Simplify right side
    128,957.04x = 6,612,288,303.68
  5. Step 5: Solve for x
    x = 6,612,288,303.68/128,957.04
  6. Step 6: Final answer
    x = 51,275.13

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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.