Home / 265,437.42-398,319.75-107,667.24

Finding the Fourth Proportional to 265,437.42, 398,319.75 and 107,667.24

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Solution

The fourth proportional to 265,437.42, 398,319.75 and 107,667.24 is: 161,567.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,437.42 : 398,319.75 = 107,667.24 : x
  2. Step 2: Convert to fraction form
    265,437.42/398,319.75 = 107,667.24/x
  3. Step 3: Cross multiply
    265,437.42x = 398,319.75 × 107,667.24
  4. Step 4: Simplify right side
    265,437.42x = 42,885,988,119.99
  5. Step 5: Solve for x
    x = 42,885,988,119.99/265,437.42
  6. Step 6: Final answer
    x = 161,567.23

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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.