Home / 235,011.32-324,281.40-134,389.88

Finding the Fourth Proportional to 235,011.32, 324,281.40 and 134,389.88

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Solution

The fourth proportional to 235,011.32, 324,281.40 and 134,389.88 is: 185,438.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,011.32 : 324,281.40 = 134,389.88 : x
  2. Step 2: Convert to fraction form
    235,011.32/324,281.40 = 134,389.88/x
  3. Step 3: Cross multiply
    235,011.32x = 324,281.40 × 134,389.88
  4. Step 4: Simplify right side
    235,011.32x = 43,580,138,432.23
  5. Step 5: Solve for x
    x = 43,580,138,432.23/235,011.32
  6. Step 6: Final answer
    x = 185,438.46

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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.