Home / 207,386.10-286,189.63-116,741.78

Finding the Fourth Proportional to 207,386.10, 286,189.63 and 116,741.78

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Solution

The fourth proportional to 207,386.10, 286,189.63 and 116,741.78 is: 161,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,386.10 : 286,189.63 = 116,741.78 : x
  2. Step 2: Convert to fraction form
    207,386.10/286,189.63 = 116,741.78/x
  3. Step 3: Cross multiply
    207,386.10x = 286,189.63 × 116,741.78
  4. Step 4: Simplify right side
    207,386.10x = 33,410,287,307.39
  5. Step 5: Solve for x
    x = 33,410,287,307.39/207,386.10
  6. Step 6: Final answer
    x = 161,101.87

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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.