Home / 181,933.60-272,900.40-155,689.60

Finding the Fourth Proportional to 181,933.60, 272,900.40 and 155,689.60

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Solution

The fourth proportional to 181,933.60, 272,900.40 and 155,689.60 is: 233,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,933.60 : 272,900.40 = 155,689.60 : x
  2. Step 2: Convert to fraction form
    181,933.60/272,900.40 = 155,689.60/x
  3. Step 3: Cross multiply
    181,933.60x = 272,900.40 × 155,689.60
  4. Step 4: Simplify right side
    181,933.60x = 42,487,754,115.84
  5. Step 5: Solve for x
    x = 42,487,754,115.84/181,933.60
  6. Step 6: Final answer
    x = 233,534.40

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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.