Home / 100,210.23-150,076.80-58,001.40

Finding the Fourth Proportional to 100,210.23, 150,076.80 and 58,001.40

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Solution

The fourth proportional to 100,210.23, 150,076.80 and 58,001.40 is: 86,864.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,210.23 : 150,076.80 = 58,001.40 : x
  2. Step 2: Convert to fraction form
    100,210.23/150,076.80 = 58,001.40/x
  3. Step 3: Cross multiply
    100,210.23x = 150,076.80 × 58,001.40
  4. Step 4: Simplify right side
    100,210.23x = 8,704,664,507.52
  5. Step 5: Solve for x
    x = 8,704,664,507.52/100,210.23
  6. Step 6: Final answer
    x = 86,864.03

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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.