Home / 207,416.03-286,215.66-115,528.28

Finding the Fourth Proportional to 207,416.03, 286,215.66 and 115,528.28

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Solution

The fourth proportional to 207,416.03, 286,215.66 and 115,528.28 is: 159,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,416.03 : 286,215.66 = 115,528.28 : x
  2. Step 2: Convert to fraction form
    207,416.03/286,215.66 = 115,528.28/x
  3. Step 3: Cross multiply
    207,416.03x = 286,215.66 × 115,528.28
  4. Step 4: Simplify right side
    207,416.03x = 33,066,001,477.79
  5. Step 5: Solve for x
    x = 33,066,001,477.79/207,416.03
  6. Step 6: Final answer
    x = 159,418.74

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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.