Home / 205,656.39-283,837.91-125,109.18

Finding the Fourth Proportional to 205,656.39, 283,837.91 and 125,109.18

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Solution

The fourth proportional to 205,656.39, 283,837.91 and 125,109.18 is: 172,670.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,656.39 : 283,837.91 = 125,109.18 : x
  2. Step 2: Convert to fraction form
    205,656.39/283,837.91 = 125,109.18/x
  3. Step 3: Cross multiply
    205,656.39x = 283,837.91 × 125,109.18
  4. Step 4: Simplify right side
    205,656.39x = 35,510,727,547.47
  5. Step 5: Solve for x
    x = 35,510,727,547.47/205,656.39
  6. Step 6: Final answer
    x = 172,670.19

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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.