Home / 118,714.65-163,827.18-70,319.25

Finding the Fourth Proportional to 118,714.65, 163,827.18 and 70,319.25

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Solution

The fourth proportional to 118,714.65, 163,827.18 and 70,319.25 is: 97,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,714.65 : 163,827.18 = 70,319.25 : x
  2. Step 2: Convert to fraction form
    118,714.65/163,827.18 = 70,319.25/x
  3. Step 3: Cross multiply
    118,714.65x = 163,827.18 × 70,319.25
  4. Step 4: Simplify right side
    118,714.65x = 11,520,204,427.22
  5. Step 5: Solve for x
    x = 11,520,204,427.22/118,714.65
  6. Step 6: Final answer
    x = 97,041.14

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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.