Home / 207,880.28-286,874.81-112,386.95

Finding the Fourth Proportional to 207,880.28, 286,874.81 and 112,386.95

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Solution

The fourth proportional to 207,880.28, 286,874.81 and 112,386.95 is: 155,094.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,880.28 : 286,874.81 = 112,386.95 : x
  2. Step 2: Convert to fraction form
    207,880.28/286,874.81 = 112,386.95/x
  3. Step 3: Cross multiply
    207,880.28x = 286,874.81 × 112,386.95
  4. Step 4: Simplify right side
    207,880.28x = 32,240,984,927.73
  5. Step 5: Solve for x
    x = 32,240,984,927.73/207,880.28
  6. Step 6: Final answer
    x = 155,094.00

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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.