Home / 207,635.52-286,559.46-127,117.20

Finding the Fourth Proportional to 207,635.52, 286,559.46 and 127,117.20

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Solution

The fourth proportional to 207,635.52, 286,559.46 and 127,117.20 is: 175,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,635.52 : 286,559.46 = 127,117.20 : x
  2. Step 2: Convert to fraction form
    207,635.52/286,559.46 = 127,117.20/x
  3. Step 3: Cross multiply
    207,635.52x = 286,559.46 × 127,117.20
  4. Step 4: Simplify right side
    207,635.52x = 36,426,636,188.71
  5. Step 5: Solve for x
    x = 36,426,636,188.71/207,635.52
  6. Step 6: Final answer
    x = 175,435.48

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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.