Home / 118,832.40-163,973.09-71,068.32

Finding the Fourth Proportional to 118,832.40, 163,973.09 and 71,068.32

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Solution

The fourth proportional to 118,832.40, 163,973.09 and 71,068.32 is: 98,064.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,832.40 : 163,973.09 = 71,068.32 : x
  2. Step 2: Convert to fraction form
    118,832.40/163,973.09 = 71,068.32/x
  3. Step 3: Cross multiply
    118,832.40x = 163,973.09 × 71,068.32
  4. Step 4: Simplify right side
    118,832.40x = 11,653,292,209.18
  5. Step 5: Solve for x
    x = 11,653,292,209.18/118,832.40
  6. Step 6: Final answer
    x = 98,064.94

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1.5x scale

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.