Home / 207,810.02-286,777.89-112,316.72

Finding the Fourth Proportional to 207,810.02, 286,777.89 and 112,316.72

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Solution

The fourth proportional to 207,810.02, 286,777.89 and 112,316.72 is: 154,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,810.02 : 286,777.89 = 112,316.72 : x
  2. Step 2: Convert to fraction form
    207,810.02/286,777.89 = 112,316.72/x
  3. Step 3: Cross multiply
    207,810.02x = 286,777.89 × 112,316.72
  4. Step 4: Simplify right side
    207,810.02x = 32,209,951,973.32
  5. Step 5: Solve for x
    x = 32,209,951,973.32/207,810.02
  6. Step 6: Final answer
    x = 154,997.11

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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.