Home / 207,863.66-286,852.58-112,370.36

Finding the Fourth Proportional to 207,863.66, 286,852.58 and 112,370.36

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Solution

The fourth proportional to 207,863.66, 286,852.58 and 112,370.36 is: 155,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,863.66 : 286,852.58 = 112,370.36 : x
  2. Step 2: Convert to fraction form
    207,863.66/286,852.58 = 112,370.36/x
  3. Step 3: Cross multiply
    207,863.66x = 286,852.58 × 112,370.36
  4. Step 4: Simplify right side
    207,863.66x = 32,233,727,681.53
  5. Step 5: Solve for x
    x = 32,233,727,681.53/207,863.66
  6. Step 6: Final answer
    x = 155,071.49

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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.