Home / 141,215.20-211,802.28-46,448.98

Finding the Fourth Proportional to 141,215.20, 211,802.28 and 46,448.98

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Solution

The fourth proportional to 141,215.20, 211,802.28 and 46,448.98 is: 69,666.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,215.20 : 211,802.28 = 46,448.98 : x
  2. Step 2: Convert to fraction form
    141,215.20/211,802.28 = 46,448.98/x
  3. Step 3: Cross multiply
    141,215.20x = 211,802.28 × 46,448.98
  4. Step 4: Simplify right side
    141,215.20x = 9,837,999,867.67
  5. Step 5: Solve for x
    x = 9,837,999,867.67/141,215.20
  6. Step 6: Final answer
    x = 69,666.72

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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.