Home / 164,820.10-247,148.36-52,485.68

Finding the Fourth Proportional to 164,820.10, 247,148.36 and 52,485.68

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Solution

The fourth proportional to 164,820.10, 247,148.36 and 52,485.68 is: 78,702.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,820.10 : 247,148.36 = 52,485.68 : x
  2. Step 2: Convert to fraction form
    164,820.10/247,148.36 = 52,485.68/x
  3. Step 3: Cross multiply
    164,820.10x = 247,148.36 × 52,485.68
  4. Step 4: Simplify right side
    164,820.10x = 12,971,748,434.14
  5. Step 5: Solve for x
    x = 12,971,748,434.14/164,820.10
  6. Step 6: Final answer
    x = 78,702.47

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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.