Home / 181,670.40-272,554.20-129,182.40

Finding the Fourth Proportional to 181,670.40, 272,554.20 and 129,182.40

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Solution

The fourth proportional to 181,670.40, 272,554.20 and 129,182.40 is: 193,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,670.40 : 272,554.20 = 129,182.40 : x
  2. Step 2: Convert to fraction form
    181,670.40/272,554.20 = 129,182.40/x
  3. Step 3: Cross multiply
    181,670.40x = 272,554.20 × 129,182.40
  4. Step 4: Simplify right side
    181,670.40x = 35,209,205,686.08
  5. Step 5: Solve for x
    x = 35,209,205,686.08/181,670.40
  6. Step 6: Final answer
    x = 193,808.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.