Home / 153,348.19-211,618.22-85,365.04

Finding the Fourth Proportional to 153,348.19, 211,618.22 and 85,365.04

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Solution

The fourth proportional to 153,348.19, 211,618.22 and 85,365.04 is: 117,802.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,348.19 : 211,618.22 = 85,365.04 : x
  2. Step 2: Convert to fraction form
    153,348.19/211,618.22 = 85,365.04/x
  3. Step 3: Cross multiply
    153,348.19x = 211,618.22 × 85,365.04
  4. Step 4: Simplify right side
    153,348.19x = 18,064,797,736.12
  5. Step 5: Solve for x
    x = 18,064,797,736.12/153,348.19
  6. Step 6: Final answer
    x = 117,802.49

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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.