Home / 207,680.48-286,598.82-112,187.16

Finding the Fourth Proportional to 207,680.48, 286,598.82 and 112,187.16

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Solution

The fourth proportional to 207,680.48, 286,598.82 and 112,187.16 is: 154,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,680.48 : 286,598.82 = 112,187.16 : x
  2. Step 2: Convert to fraction form
    207,680.48/286,598.82 = 112,187.16/x
  3. Step 3: Cross multiply
    207,680.48x = 286,598.82 × 112,187.16
  4. Step 4: Simplify right side
    207,680.48x = 32,152,707,675.15
  5. Step 5: Solve for x
    x = 32,152,707,675.15/207,680.48
  6. Step 6: Final answer
    x = 154,818.15

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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.