Home / 292,717.04-439,159.88-143,043.60

Finding the Fourth Proportional to 292,717.04, 439,159.88 and 143,043.60

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Solution

The fourth proportional to 292,717.04, 439,159.88 and 143,043.60 is: 214,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,717.04 : 439,159.88 = 143,043.60 : x
  2. Step 2: Convert to fraction form
    292,717.04/439,159.88 = 143,043.60/x
  3. Step 3: Cross multiply
    292,717.04x = 439,159.88 × 143,043.60
  4. Step 4: Simplify right side
    292,717.04x = 62,819,010,210.77
  5. Step 5: Solve for x
    x = 62,819,010,210.77/292,717.04
  6. Step 6: Final answer
    x = 214,606.61

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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.