Home / 207,652.08-286,562.54-122,768.40

Finding the Fourth Proportional to 207,652.08, 286,562.54 and 122,768.40

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Solution

The fourth proportional to 207,652.08, 286,562.54 and 122,768.40 is: 169,421.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,652.08 : 286,562.54 = 122,768.40 : x
  2. Step 2: Convert to fraction form
    207,652.08/286,562.54 = 122,768.40/x
  3. Step 3: Cross multiply
    207,652.08x = 286,562.54 × 122,768.40
  4. Step 4: Simplify right side
    207,652.08x = 35,180,824,535.74
  5. Step 5: Solve for x
    x = 35,180,824,535.74/207,652.08
  6. Step 6: Final answer
    x = 169,421.97

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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.