Home / 207,810.90-286,777.26-112,316.76

Finding the Fourth Proportional to 207,810.90, 286,777.26 and 112,316.76

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Solution

The fourth proportional to 207,810.90, 286,777.26 and 112,316.76 is: 154,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,810.90 : 286,777.26 = 112,316.76 : x
  2. Step 2: Convert to fraction form
    207,810.90/286,777.26 = 112,316.76/x
  3. Step 3: Cross multiply
    207,810.90x = 286,777.26 × 112,316.76
  4. Step 4: Simplify right side
    207,810.90x = 32,209,892,684.88
  5. Step 5: Solve for x
    x = 32,209,892,684.88/207,810.90
  6. Step 6: Final answer
    x = 154,996.17

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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.