Home / 575,845.32-863,819.80-155,111.88

Finding the Fourth Proportional to 575,845.32, 863,819.80 and 155,111.88

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Solution

The fourth proportional to 575,845.32, 863,819.80 and 155,111.88 is: 232,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,845.32 : 863,819.80 = 155,111.88 : x
  2. Step 2: Convert to fraction form
    575,845.32/863,819.80 = 155,111.88/x
  3. Step 3: Cross multiply
    575,845.32x = 863,819.80 × 155,111.88
  4. Step 4: Simplify right side
    575,845.32x = 133,988,713,159.22
  5. Step 5: Solve for x
    x = 133,988,713,159.22/575,845.32
  6. Step 6: Final answer
    x = 232,681.78

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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.