Home / 181,737.15-272,428.53-86,942.58

Finding the Fourth Proportional to 181,737.15, 272,428.53 and 86,942.58

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Solution

The fourth proportional to 181,737.15, 272,428.53 and 86,942.58 is: 130,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,737.15 : 272,428.53 = 86,942.58 : x
  2. Step 2: Convert to fraction form
    181,737.15/272,428.53 = 86,942.58/x
  3. Step 3: Cross multiply
    181,737.15x = 272,428.53 × 86,942.58
  4. Step 4: Simplify right side
    181,737.15x = 23,685,638,405.22
  5. Step 5: Solve for x
    x = 23,685,638,405.22/181,737.15
  6. Step 6: Final answer
    x = 130,329.10

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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.