Home / 239,123.93-329,987.00-131,703.95

Finding the Fourth Proportional to 239,123.93, 329,987.00 and 131,703.95

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Solution

The fourth proportional to 239,123.93, 329,987.00 and 131,703.95 is: 181,749.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,123.93 : 329,987.00 = 131,703.95 : x
  2. Step 2: Convert to fraction form
    239,123.93/329,987.00 = 131,703.95/x
  3. Step 3: Cross multiply
    239,123.93x = 329,987.00 × 131,703.95
  4. Step 4: Simplify right side
    239,123.93x = 43,460,592,502.88
  5. Step 5: Solve for x
    x = 43,460,592,502.88/239,123.93
  6. Step 6: Final answer
    x = 181,749.24

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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.