Home / 181,465.02-272,259.90-81,695.16

Finding the Fourth Proportional to 181,465.02, 272,259.90 and 81,695.16

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Solution

The fourth proportional to 181,465.02, 272,259.90 and 81,695.16 is: 122,570.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,465.02 : 272,259.90 = 81,695.16 : x
  2. Step 2: Convert to fraction form
    181,465.02/272,259.90 = 81,695.16/x
  3. Step 3: Cross multiply
    181,465.02x = 272,259.90 × 81,695.16
  4. Step 4: Simplify right side
    181,465.02x = 22,242,316,092.08
  5. Step 5: Solve for x
    x = 22,242,316,092.08/181,465.02
  6. Step 6: Final answer
    x = 122,570.82

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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.