Home / 107,907.10-161,860.65-70,582.30

Finding the Fourth Proportional to 107,907.10, 161,860.65 and 70,582.30

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Solution

The fourth proportional to 107,907.10, 161,860.65 and 70,582.30 is: 105,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,907.10 : 161,860.65 = 70,582.30 : x
  2. Step 2: Convert to fraction form
    107,907.10/161,860.65 = 70,582.30/x
  3. Step 3: Cross multiply
    107,907.10x = 161,860.65 × 70,582.30
  4. Step 4: Simplify right side
    107,907.10x = 11,424,496,956.50
  5. Step 5: Solve for x
    x = 11,424,496,956.50/107,907.10
  6. Step 6: Final answer
    x = 105,873.45

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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.