Home / 207,705.36-286,632.90-112,211.76

Finding the Fourth Proportional to 207,705.36, 286,632.90 and 112,211.76

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Solution

The fourth proportional to 207,705.36, 286,632.90 and 112,211.76 is: 154,851.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,705.36 : 286,632.90 = 112,211.76 : x
  2. Step 2: Convert to fraction form
    207,705.36/286,632.90 = 112,211.76/x
  3. Step 3: Cross multiply
    207,705.36x = 286,632.90 × 112,211.76
  4. Step 4: Simplify right side
    207,705.36x = 32,163,582,182.90
  5. Step 5: Solve for x
    x = 32,163,582,182.90/207,705.36
  6. Step 6: Final answer
    x = 154,851.96

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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.