Home / 140,383.04-193,673.64-86,574.65

Finding the Fourth Proportional to 140,383.04, 193,673.64 and 86,574.65

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Solution

The fourth proportional to 140,383.04, 193,673.64 and 86,574.65 is: 119,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,383.04 : 193,673.64 = 86,574.65 : x
  2. Step 2: Convert to fraction form
    140,383.04/193,673.64 = 86,574.65/x
  3. Step 3: Cross multiply
    140,383.04x = 193,673.64 × 86,574.65
  4. Step 4: Simplify right side
    140,383.04x = 16,767,227,597.23
  5. Step 5: Solve for x
    x = 16,767,227,597.23/140,383.04
  6. Step 6: Final answer
    x = 119,439.13

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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.