Home / 161,880.02-223,691.48-154,102.20

Finding the Fourth Proportional to 161,880.02, 223,691.48 and 154,102.20

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Solution

The fourth proportional to 161,880.02, 223,691.48 and 154,102.20 is: 212,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,880.02 : 223,691.48 = 154,102.20 : x
  2. Step 2: Convert to fraction form
    161,880.02/223,691.48 = 154,102.20/x
  3. Step 3: Cross multiply
    161,880.02x = 223,691.48 × 154,102.20
  4. Step 4: Simplify right side
    161,880.02x = 34,471,349,189.26
  5. Step 5: Solve for x
    x = 34,471,349,189.26/161,880.02
  6. Step 6: Final answer
    x = 212,943.82

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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.