Home / 207,813.08-286,776.29-117,168.24

Finding the Fourth Proportional to 207,813.08, 286,776.29 and 117,168.24

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Solution

The fourth proportional to 207,813.08, 286,776.29 and 117,168.24 is: 161,688.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,813.08 : 286,776.29 = 117,168.24 : x
  2. Step 2: Convert to fraction form
    207,813.08/286,776.29 = 117,168.24/x
  3. Step 3: Cross multiply
    207,813.08x = 286,776.29 × 117,168.24
  4. Step 4: Simplify right side
    207,813.08x = 33,601,072,587.19
  5. Step 5: Solve for x
    x = 33,601,072,587.19/207,813.08
  6. Step 6: Final answer
    x = 161,688.92

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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.