Home / 347,557.28-521,326.80-110,914.40

Finding the Fourth Proportional to 347,557.28, 521,326.80 and 110,914.40

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Solution

The fourth proportional to 347,557.28, 521,326.80 and 110,914.40 is: 166,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,557.28 : 521,326.80 = 110,914.40 : x
  2. Step 2: Convert to fraction form
    347,557.28/521,326.80 = 110,914.40/x
  3. Step 3: Cross multiply
    347,557.28x = 521,326.80 × 110,914.40
  4. Step 4: Simplify right side
    347,557.28x = 57,822,649,225.92
  5. Step 5: Solve for x
    x = 57,822,649,225.92/347,557.28
  6. Step 6: Final answer
    x = 166,368.69

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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.