Home / 207,402.16-286,236.48-126,883.32

Finding the Fourth Proportional to 207,402.16, 286,236.48 and 126,883.32

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Solution

The fourth proportional to 207,402.16, 286,236.48 and 126,883.32 is: 175,112.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,402.16 : 286,236.48 = 126,883.32 : x
  2. Step 2: Convert to fraction form
    207,402.16/286,236.48 = 126,883.32/x
  3. Step 3: Cross multiply
    207,402.16x = 286,236.48 × 126,883.32
  4. Step 4: Simplify right side
    207,402.16x = 36,318,634,887.51
  5. Step 5: Solve for x
    x = 36,318,634,887.51/207,402.16
  6. Step 6: Final answer
    x = 175,112.13

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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.