Home / 146,255.81-219,416.12-46,421.69

Finding the Fourth Proportional to 146,255.81, 219,416.12 and 46,421.69

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Solution

The fourth proportional to 146,255.81, 219,416.12 and 46,421.69 is: 69,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,255.81 : 219,416.12 = 46,421.69 : x
  2. Step 2: Convert to fraction form
    146,255.81/219,416.12 = 46,421.69/x
  3. Step 3: Cross multiply
    146,255.81x = 219,416.12 × 46,421.69
  4. Step 4: Simplify right side
    146,255.81x = 10,185,666,871.53
  5. Step 5: Solve for x
    x = 10,185,666,871.53/146,255.81
  6. Step 6: Final answer
    x = 69,642.82

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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.