Home / 150,316.08-207,575.64-112,524.72

Finding the Fourth Proportional to 150,316.08, 207,575.64 and 112,524.72

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Solution

The fourth proportional to 150,316.08, 207,575.64 and 112,524.72 is: 155,388.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,316.08 : 207,575.64 = 112,524.72 : x
  2. Step 2: Convert to fraction form
    150,316.08/207,575.64 = 112,524.72/x
  3. Step 3: Cross multiply
    150,316.08x = 207,575.64 × 112,524.72
  4. Step 4: Simplify right side
    150,316.08x = 23,357,390,769.82
  5. Step 5: Solve for x
    x = 23,357,390,769.82/150,316.08
  6. Step 6: Final answer
    x = 155,388.50

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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.