Home / 325,374.07-487,946.80-97,601.78

Finding the Fourth Proportional to 325,374.07, 487,946.80 and 97,601.78

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Solution

The fourth proportional to 325,374.07, 487,946.80 and 97,601.78 is: 146,368.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,374.07 : 487,946.80 = 97,601.78 : x
  2. Step 2: Convert to fraction form
    325,374.07/487,946.80 = 97,601.78/x
  3. Step 3: Cross multiply
    325,374.07x = 487,946.80 × 97,601.78
  4. Step 4: Simplify right side
    325,374.07x = 47,624,473,541.57
  5. Step 5: Solve for x
    x = 47,624,473,541.57/325,374.07
  6. Step 6: Final answer
    x = 146,368.38

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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.