Home / 207,595.31-286,502.69-127,076.05

Finding the Fourth Proportional to 207,595.31, 286,502.69 and 127,076.05

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Solution

The fourth proportional to 207,595.31, 286,502.69 and 127,076.05 is: 175,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,595.31 : 286,502.69 = 127,076.05 : x
  2. Step 2: Convert to fraction form
    207,595.31/286,502.69 = 127,076.05/x
  3. Step 3: Cross multiply
    207,595.31x = 286,502.69 × 127,076.05
  4. Step 4: Simplify right side
    207,595.31x = 36,407,630,159.57
  5. Step 5: Solve for x
    x = 36,407,630,159.57/207,595.31
  6. Step 6: Final answer
    x = 175,377.90

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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.