Home / 207,610.47-286,502.43-112,117.16

Finding the Fourth Proportional to 207,610.47, 286,502.43 and 112,117.16

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Solution

The fourth proportional to 207,610.47, 286,502.43 and 112,117.16 is: 154,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,610.47 : 286,502.43 = 112,117.16 : x
  2. Step 2: Convert to fraction form
    207,610.47/286,502.43 = 112,117.16/x
  3. Step 3: Cross multiply
    207,610.47x = 286,502.43 × 112,117.16
  4. Step 4: Simplify right side
    207,610.47x = 32,121,837,352.19
  5. Step 5: Solve for x
    x = 32,121,837,352.19/207,610.47
  6. Step 6: Final answer
    x = 154,721.66

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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.