Home / 263,275.15-363,319.29-142,416.06

Finding the Fourth Proportional to 263,275.15, 363,319.29 and 142,416.06

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Solution

The fourth proportional to 263,275.15, 363,319.29 and 142,416.06 is: 196,533.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,275.15 : 363,319.29 = 142,416.06 : x
  2. Step 2: Convert to fraction form
    263,275.15/363,319.29 = 142,416.06/x
  3. Step 3: Cross multiply
    263,275.15x = 363,319.29 × 142,416.06
  4. Step 4: Simplify right side
    263,275.15x = 51,742,503,700.31
  5. Step 5: Solve for x
    x = 51,742,503,700.31/263,275.15
  6. Step 6: Final answer
    x = 196,533.94

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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.