Home / 207,827.70-286,802.06-112,334.40

Finding the Fourth Proportional to 207,827.70, 286,802.06 and 112,334.40

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Solution

The fourth proportional to 207,827.70, 286,802.06 and 112,334.40 is: 155,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,827.70 : 286,802.06 = 112,334.40 : x
  2. Step 2: Convert to fraction form
    207,827.70/286,802.06 = 112,334.40/x
  3. Step 3: Cross multiply
    207,827.70x = 286,802.06 × 112,334.40
  4. Step 4: Simplify right side
    207,827.70x = 32,217,737,328.86
  5. Step 5: Solve for x
    x = 32,217,737,328.86/207,827.70
  6. Step 6: Final answer
    x = 155,021.38

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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.