Home / 163,534.60-245,318.10-56,902.15

Finding the Fourth Proportional to 163,534.60, 245,318.10 and 56,902.15

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Solution

The fourth proportional to 163,534.60, 245,318.10 and 56,902.15 is: 85,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,534.60 : 245,318.10 = 56,902.15 : x
  2. Step 2: Convert to fraction form
    163,534.60/245,318.10 = 56,902.15/x
  3. Step 3: Cross multiply
    163,534.60x = 245,318.10 × 56,902.15
  4. Step 4: Simplify right side
    163,534.60x = 13,959,127,323.92
  5. Step 5: Solve for x
    x = 13,959,127,323.92/163,534.60
  6. Step 6: Final answer
    x = 85,358.86

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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.