Home / 140,298.12-193,548.42-86,585.40

Finding the Fourth Proportional to 140,298.12, 193,548.42 and 86,585.40

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Solution

The fourth proportional to 140,298.12, 193,548.42 and 86,585.40 is: 119,448.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,298.12 : 193,548.42 = 86,585.40 : x
  2. Step 2: Convert to fraction form
    140,298.12/193,548.42 = 86,585.40/x
  3. Step 3: Cross multiply
    140,298.12x = 193,548.42 × 86,585.40
  4. Step 4: Simplify right side
    140,298.12x = 16,758,467,365.07
  5. Step 5: Solve for x
    x = 16,758,467,365.07/140,298.12
  6. Step 6: Final answer
    x = 119,448.98

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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.