Home / 118,312.19-163,285.14-67,337.32

Finding the Fourth Proportional to 118,312.19, 163,285.14 and 67,337.32

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Solution

The fourth proportional to 118,312.19, 163,285.14 and 67,337.32 is: 92,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,312.19 : 163,285.14 = 67,337.32 : x
  2. Step 2: Convert to fraction form
    118,312.19/163,285.14 = 67,337.32/x
  3. Step 3: Cross multiply
    118,312.19x = 163,285.14 × 67,337.32
  4. Step 4: Simplify right side
    118,312.19x = 10,995,182,907.00
  5. Step 5: Solve for x
    x = 10,995,182,907.00/118,312.19
  6. Step 6: Final answer
    x = 92,933.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.