Home / 209,557.29-314,332.86-51,785.74

Finding the Fourth Proportional to 209,557.29, 314,332.86 and 51,785.74

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Solution

The fourth proportional to 209,557.29, 314,332.86 and 51,785.74 is: 77,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,557.29 : 314,332.86 = 51,785.74 : x
  2. Step 2: Convert to fraction form
    209,557.29/314,332.86 = 51,785.74/x
  3. Step 3: Cross multiply
    209,557.29x = 314,332.86 × 51,785.74
  4. Step 4: Simplify right side
    209,557.29x = 16,277,959,761.42
  5. Step 5: Solve for x
    x = 16,277,959,761.42/209,557.29
  6. Step 6: Final answer
    x = 77,677.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.