Home / 118,306.12-163,266.31-64,595.22

Finding the Fourth Proportional to 118,306.12, 163,266.31 and 64,595.22

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Solution

The fourth proportional to 118,306.12, 163,266.31 and 64,595.22 is: 89,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,306.12 : 163,266.31 = 64,595.22 : x
  2. Step 2: Convert to fraction form
    118,306.12/163,266.31 = 64,595.22/x
  3. Step 3: Cross multiply
    118,306.12x = 163,266.31 × 64,595.22
  4. Step 4: Simplify right side
    118,306.12x = 10,546,223,418.23
  5. Step 5: Solve for x
    x = 10,546,223,418.23/118,306.12
  6. Step 6: Final answer
    x = 89,143.52

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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.